221464620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:173

約数の個数: 288

約数和(自身を含む): 774918144

約数和(自身を除く): 553453524

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 31, 36, 39, 43, 45, 52, 60, 62, 65, 71, 78, 86, 90, 93, 117, 124, 129, 130, 142, 155, 156, 172, 180, 186, 195, 213, 215, 234, 258, 260, 279, 284, 310, 355, 372, 387, 390, 403, 426, 430, 465, 468, 516, 558, 559, 585, 620, 639, 645, 710, 774, 780, 806, 852, 860, 923, 930, 1065, 1116, 1118, 1170, 1209, 1278, 1290, 1333, 1395, 1420, 1548, 1612, 1677, 1846, 1860, 1935, 2015, 2130, 2201, 2236, 2340, 2418, 2556, 2580, 2666, 2769, 2790, 2795, 3053, 3195, 3354, 3627, 3692, 3870, 3999, 4030, 4260, 4402, 4615, 4836, 5031, 5332, 5538, 5580, 5590, 6045, 6106, 6390, 6603, 6665, 6708, 7254, 7740, 7998, 8060, 8307, 8385, 8804, 9159, 9230, 10062, 11005, 11076, 11180, 11997, 12090, 12212, 12780, 13206, 13330, 13845, 14508, 15265, 15996, 16614, 16770, 17329, 18135, 18318, 18460, 19809, 19995, 20124, 22010, 23994, 24180, 25155, 26412, 26660, 27477, 27690, 28613, 30530, 33015, 33228, 33540, 34658, 36270, 36636, 39618, 39689, 39990, 41535, 44020, 45795, 47988, 50310, 51987, 54954, 55380, 57226, 59985, 61060, 66030, 69316, 72540, 79236, 79378, 79980, 83070, 85839, 86645, 91590, 94643, 99045, 100620, 103974, 109908, 114452, 119067, 119970, 132060, 137385, 143065, 155961, 158756, 166140, 171678, 173290, 183180, 189286, 198090, 198445, 207948, 238134, 239940, 257517, 259935, 274770, 283929, 286130, 311922, 343356, 346580, 357201, 378572, 396180, 396890, 429195, 473215, 476268, 515034, 519870, 549540, 567858, 572260, 595335, 623844, 714402, 779805, 793780, 851787, 858390, 946430, 1030068, 1039740, 1135716, 1190670, 1230359, 1287585, 1419645, 1428804, 1559610, 1703574, 1716780, 1786005, 1892860, 2381340, 2460718, 2575170, 2839290, 3119220, 3407148, 3572010, 3691077, 4258935, 4921436, 5150340, 5678580, 6151795, 7144020, 7382154, 8517870, 11073231, 12303590, 14764308, 17035740, 18455385, 22146462, 24607180, 36910770, 44292924, 55366155, 73821540, 110732310, 221464620]

約数ペア:

[(1, 221464620), (2, 110732310), (3, 73821540), (4, 55366155), (5, 44292924), (6, 36910770), (9, 24607180), (10, 22146462), (12, 18455385), (13, 17035740), (15, 14764308), (18, 12303590), (20, 11073231), (26, 8517870), (30, 7382154), (31, 7144020), (36, 6151795), (39, 5678580), (43, 5150340), (45, 4921436), (52, 4258935), (60, 3691077), (62, 3572010), (65, 3407148), (71, 3119220), (78, 2839290), (86, 2575170), (90, 2460718), (93, 2381340), (117, 1892860), (124, 1786005), (129, 1716780), (130, 1703574), (142, 1559610), (155, 1428804), (156, 1419645), (172, 1287585), (180, 1230359), (186, 1190670), (195, 1135716), (213, 1039740), (215, 1030068), (234, 946430), (258, 858390), (260, 851787), (279, 793780), (284, 779805), (310, 714402), (355, 623844), (372, 595335), (387, 572260), (390, 567858), (403, 549540), (426, 519870), (430, 515034), (465, 476268), (468, 473215), (516, 429195), (558, 396890), (559, 396180), (585, 378572), (620, 357201), (639, 346580), (645, 343356), (710, 311922), (774, 286130), (780, 283929), (806, 274770), (852, 259935), (860, 257517), (923, 239940), (930, 238134), (1065, 207948), (1116, 198445), (1118, 198090), (1170, 189286), (1209, 183180), (1278, 173290), (1290, 171678), (1333, 166140), (1395, 158756), (1420, 155961), (1548, 143065), (1612, 137385), (1677, 132060), (1846, 119970), (1860, 119067), (1935, 114452), (2015, 109908), (2130, 103974), (2201, 100620), (2236, 99045), (2340, 94643), (2418, 91590), (2556, 86645), (2580, 85839), (2666, 83070), (2769, 79980), (2790, 79378), (2795, 79236), (3053, 72540), (3195, 69316), (3354, 66030), (3627, 61060), (3692, 59985), (3870, 57226), (3999, 55380), (4030, 54954), (4260, 51987), (4402, 50310), (4615, 47988), (4836, 45795), (5031, 44020), (5332, 41535), (5538, 39990), (5580, 39689), (5590, 39618), (6045, 36636), (6106, 36270), (6390, 34658), (6603, 33540), (6665, 33228), (6708, 33015), (7254, 30530), (7740, 28613), (7998, 27690), (8060, 27477), (8307, 26660), (8385, 26412), (8804, 25155), (9159, 24180), (9230, 23994), (10062, 22010), (11005, 20124), (11076, 19995), (11180, 19809), (11997, 18460), (12090, 18318), (12212, 18135), (12780, 17329), (13206, 16770), (13330, 16614), (13845, 15996), (14508, 15265)]