21215390040

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{7207}}^1$

素因数の和:7291

約数の個数: 384

約数和(自身を含む): 80757855360

約数和(自身を除く): 59542465320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 17, 18, 20, 24, 26, 30, 34, 36, 37, 39, 40, 45, 51, 52, 60, 65, 68, 72, 74, 78, 85, 90, 102, 104, 111, 117, 120, 130, 136, 148, 153, 156, 170, 180, 185, 195, 204, 221, 222, 234, 255, 260, 296, 306, 312, 333, 340, 360, 370, 390, 408, 442, 444, 468, 481, 510, 520, 555, 585, 612, 629, 663, 666, 680, 740, 765, 780, 884, 888, 936, 962, 1020, 1105, 1110, 1170, 1224, 1258, 1326, 1332, 1443, 1480, 1530, 1560, 1665, 1768, 1887, 1924, 1989, 2040, 2210, 2220, 2340, 2405, 2516, 2652, 2664, 2886, 3060, 3145, 3315, 3330, 3774, 3848, 3978, 4329, 4420, 4440, 4680, 4810, 5032, 5304, 5661, 5772, 6120, 6290, 6630, 6660, 7207, 7215, 7548, 7956, 8177, 8658, 8840, 9435, 9620, 9945, 11322, 11544, 12580, 13260, 13320, 14414, 14430, 15096, 15912, 16354, 17316, 18870, 19240, 19890, 21621, 21645, 22644, 24531, 25160, 26520, 28305, 28828, 28860, 32708, 34632, 36035, 37740, 39780, 40885, 43242, 43290, 45288, 49062, 56610, 57656, 57720, 64863, 65416, 72070, 73593, 75480, 79560, 81770, 86484, 86580, 93691, 98124, 108105, 113220, 122519, 122655, 129726, 144140, 147186, 163540, 172968, 173160, 187382, 196248, 216210, 226440, 245038, 245310, 259452, 266659, 281073, 288280, 294372, 324315, 327080, 367557, 367965, 374764, 432420, 468455, 490076, 490620, 518904, 533318, 562146, 588744, 612595, 648630, 735114, 735930, 749528, 799977, 843219, 864840, 936910, 980152, 981240, 1066636, 1102671, 1124292, 1225190, 1297260, 1333295, 1405365, 1470228, 1471860, 1592747, 1599954, 1686438, 1837785, 1873820, 2133272, 2205342, 2248584, 2399931, 2450380, 2594520, 2666590, 2810730, 2940456, 2943720, 3185494, 3199908, 3372876, 3466567, 3675570, 3747640, 3999885, 4216095, 4410684, 4533203, 4778241, 4799862, 4900760, 5333180, 5513355, 5621460, 6370988, 6399816, 6745752, 6933134, 7351140, 7963735, 7999770, 8432190, 8821368, 9066406, 9556482, 9599724, 10399701, 10666360, 11026710, 11242920, 11999655, 12741976, 13599609, 13866268, 14334723, 14702280, 15927470, 15999540, 16864380, 17332835, 18132812, 19112964, 19199448, 20799402, 22053420, 22666015, 23891205, 23999310, 27199218, 27732536, 28669446, 31199103, 31854940, 31999080, 33728760, 34665670, 36265624, 38225928, 40798827, 41598804, 44106840, 45332030, 47782410, 47998620, 51998505, 54398436, 57338892, 58931639, 62398206, 63709880, 67998045, 69331340, 71673615, 81597654, 83197608, 90664060, 95564820, 95997240, 103997010, 108796872, 114677784, 117863278, 124796412, 135996090, 138662680, 143347230, 155995515, 163195308, 176794917, 181328120, 191129640, 203994135, 207994020, 235726556, 249592824, 271992180, 286694460, 294658195, 311991030, 326390616, 353589834, 407988270, 415988040, 471453112, 530384751, 543984360, 573388920, 589316390, 623982060, 707179668, 815976540, 883974585, 1060769502, 1178632780, 1247964120, 1414359336, 1631953080, 1767949170, 2121539004, 2357265560, 2651923755, 3535898340, 4243078008, 5303847510, 7071796680, 10607695020, 21215390040]

約数ペア:

[(1, 21215390040), (2, 10607695020), (3, 7071796680), (4, 5303847510), (5, 4243078008), (6, 3535898340), (8, 2651923755), (9, 2357265560), (10, 2121539004), (12, 1767949170), (13, 1631953080), (15, 1414359336), (17, 1247964120), (18, 1178632780), (20, 1060769502), (24, 883974585), (26, 815976540), (30, 707179668), (34, 623982060), (36, 589316390), (37, 573388920), (39, 543984360), (40, 530384751), (45, 471453112), (51, 415988040), (52, 407988270), (60, 353589834), (65, 326390616), (68, 311991030), (72, 294658195), (74, 286694460), (78, 271992180), (85, 249592824), (90, 235726556), (102, 207994020), (104, 203994135), (111, 191129640), (117, 181328120), (120, 176794917), (130, 163195308), (136, 155995515), (148, 143347230), (153, 138662680), (156, 135996090), (170, 124796412), (180, 117863278), (185, 114677784), (195, 108796872), (204, 103997010), (221, 95997240), (222, 95564820), (234, 90664060), (255, 83197608), (260, 81597654), (296, 71673615), (306, 69331340), (312, 67998045), (333, 63709880), (340, 62398206), (360, 58931639), (370, 57338892), (390, 54398436), (408, 51998505), (442, 47998620), (444, 47782410), (468, 45332030), (481, 44106840), (510, 41598804), (520, 40798827), (555, 38225928), (585, 36265624), (612, 34665670), (629, 33728760), (663, 31999080), (666, 31854940), (680, 31199103), (740, 28669446), (765, 27732536), (780, 27199218), (884, 23999310), (888, 23891205), (936, 22666015), (962, 22053420), (1020, 20799402), (1105, 19199448), (1110, 19112964), (1170, 18132812), (1224, 17332835), (1258, 16864380), (1326, 15999540), (1332, 15927470), (1443, 14702280), (1480, 14334723), (1530, 13866268), (1560, 13599609), (1665, 12741976), (1768, 11999655), (1887, 11242920), (1924, 11026710), (1989, 10666360), (2040, 10399701), (2210, 9599724), (2220, 9556482), (2340, 9066406), (2405, 8821368), (2516, 8432190), (2652, 7999770), (2664, 7963735), (2886, 7351140), (3060, 6933134), (3145, 6745752), (3315, 6399816), (3330, 6370988), (3774, 5621460), (3848, 5513355), (3978, 5333180), (4329, 4900760), (4420, 4799862), (4440, 4778241), (4680, 4533203), (4810, 4410684), (5032, 4216095), (5304, 3999885), (5661, 3747640), (5772, 3675570), (6120, 3466567), (6290, 3372876), (6630, 3199908), (6660, 3185494), (7207, 2943720), (7215, 2940456), (7548, 2810730), (7956, 2666590), (8177, 2594520), (8658, 2450380), (8840, 2399931), (9435, 2248584), (9620, 2205342), (9945, 2133272), (11322, 1873820), (11544, 1837785), (12580, 1686438), (13260, 1599954), (13320, 1592747), (14414, 1471860), (14430, 1470228), (15096, 1405365), (15912, 1333295), (16354, 1297260), (17316, 1225190), (18870, 1124292), (19240, 1102671), (19890, 1066636), (21621, 981240), (21645, 980152), (22644, 936910), (24531, 864840), (25160, 843219), (26520, 799977), (28305, 749528), (28828, 735930), (28860, 735114), (32708, 648630), (34632, 612595), (36035, 588744), (37740, 562146), (39780, 533318), (40885, 518904), (43242, 490620), (43290, 490076), (45288, 468455), (49062, 432420), (56610, 374764), (57656, 367965), (57720, 367557), (64863, 327080), (65416, 324315), (72070, 294372), (73593, 288280), (75480, 281073), (79560, 266659), (81770, 259452), (86484, 245310), (86580, 245038), (93691, 226440), (98124, 216210), (108105, 196248), (113220, 187382), (122519, 173160), (122655, 172968), (129726, 163540), (144140, 147186)]