661831560

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{827}}^1$

素因数の和:882

約数の個数: 320

約数和(自身を含む): 2524737600

約数和(自身を除く): 1862906040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 19, 20, 24, 26, 27, 30, 36, 38, 39, 40, 45, 52, 54, 57, 60, 65, 72, 76, 78, 81, 90, 95, 104, 108, 114, 117, 120, 130, 135, 152, 156, 162, 171, 180, 190, 195, 216, 228, 234, 247, 260, 270, 285, 312, 324, 342, 351, 360, 380, 390, 405, 456, 468, 494, 513, 520, 540, 570, 585, 648, 684, 702, 741, 760, 780, 810, 827, 855, 936, 988, 1026, 1053, 1080, 1140, 1170, 1235, 1368, 1404, 1482, 1539, 1560, 1620, 1654, 1710, 1755, 1976, 2052, 2106, 2223, 2280, 2340, 2470, 2481, 2565, 2808, 2964, 3078, 3240, 3308, 3420, 3510, 3705, 4104, 4135, 4212, 4446, 4680, 4940, 4962, 5130, 5265, 5928, 6156, 6616, 6669, 6840, 7020, 7410, 7443, 7695, 8270, 8424, 8892, 9880, 9924, 10260, 10530, 10751, 11115, 12312, 12405, 13338, 14040, 14820, 14886, 15390, 15713, 16540, 17784, 19848, 20007, 20520, 21060, 21502, 22230, 22329, 24810, 26676, 29640, 29772, 30780, 31426, 32253, 33080, 33345, 37215, 40014, 42120, 43004, 44460, 44658, 47139, 49620, 53352, 53755, 59544, 61560, 62852, 64506, 66690, 66987, 74430, 78565, 80028, 86008, 88920, 89316, 94278, 96759, 99240, 100035, 107510, 111645, 125704, 129012, 133380, 133974, 141417, 148860, 157130, 160056, 161265, 178632, 188556, 193518, 200070, 204269, 215020, 223290, 235695, 258024, 266760, 267948, 282834, 290277, 297720, 314260, 322530, 334935, 377112, 387036, 400140, 408538, 424251, 430040, 446580, 471390, 483795, 535896, 565668, 580554, 612807, 628520, 645060, 669870, 707085, 774072, 800280, 817076, 848502, 870831, 893160, 942780, 967590, 1021345, 1131336, 1161108, 1225614, 1272753, 1290120, 1339740, 1414170, 1451385, 1634152, 1697004, 1741662, 1838421, 1885560, 1935180, 2042690, 2121255, 2322216, 2451228, 2545506, 2679480, 2828340, 2902770, 3064035, 3394008, 3483324, 3676842, 3870360, 4085380, 4242510, 4354155, 4902456, 5091012, 5515263, 5656680, 5805540, 6128070, 6363765, 6966648, 7353684, 8170760, 8485020, 8708310, 9192105, 10182024, 11030526, 11611080, 12256140, 12727530, 14707368, 16545789, 16970040, 17416620, 18384210, 22061052, 24512280, 25455060, 27576315, 33091578, 34833240, 36768420, 44122104, 50910120, 55152630, 66183156, 73536840, 82728945, 110305260, 132366312, 165457890, 220610520, 330915780, 661831560]

約数ペア:

[(1, 661831560), (2, 330915780), (3, 220610520), (4, 165457890), (5, 132366312), (6, 110305260), (8, 82728945), (9, 73536840), (10, 66183156), (12, 55152630), (13, 50910120), (15, 44122104), (18, 36768420), (19, 34833240), (20, 33091578), (24, 27576315), (26, 25455060), (27, 24512280), (30, 22061052), (36, 18384210), (38, 17416620), (39, 16970040), (40, 16545789), (45, 14707368), (52, 12727530), (54, 12256140), (57, 11611080), (60, 11030526), (65, 10182024), (72, 9192105), (76, 8708310), (78, 8485020), (81, 8170760), (90, 7353684), (95, 6966648), (104, 6363765), (108, 6128070), (114, 5805540), (117, 5656680), (120, 5515263), (130, 5091012), (135, 4902456), (152, 4354155), (156, 4242510), (162, 4085380), (171, 3870360), (180, 3676842), (190, 3483324), (195, 3394008), (216, 3064035), (228, 2902770), (234, 2828340), (247, 2679480), (260, 2545506), (270, 2451228), (285, 2322216), (312, 2121255), (324, 2042690), (342, 1935180), (351, 1885560), (360, 1838421), (380, 1741662), (390, 1697004), (405, 1634152), (456, 1451385), (468, 1414170), (494, 1339740), (513, 1290120), (520, 1272753), (540, 1225614), (570, 1161108), (585, 1131336), (648, 1021345), (684, 967590), (702, 942780), (741, 893160), (760, 870831), (780, 848502), (810, 817076), (827, 800280), (855, 774072), (936, 707085), (988, 669870), (1026, 645060), (1053, 628520), (1080, 612807), (1140, 580554), (1170, 565668), (1235, 535896), (1368, 483795), (1404, 471390), (1482, 446580), (1539, 430040), (1560, 424251), (1620, 408538), (1654, 400140), (1710, 387036), (1755, 377112), (1976, 334935), (2052, 322530), (2106, 314260), (2223, 297720), (2280, 290277), (2340, 282834), (2470, 267948), (2481, 266760), (2565, 258024), (2808, 235695), (2964, 223290), (3078, 215020), (3240, 204269), (3308, 200070), (3420, 193518), (3510, 188556), (3705, 178632), (4104, 161265), (4135, 160056), (4212, 157130), (4446, 148860), (4680, 141417), (4940, 133974), (4962, 133380), (5130, 129012), (5265, 125704), (5928, 111645), (6156, 107510), (6616, 100035), (6669, 99240), (6840, 96759), (7020, 94278), (7410, 89316), (7443, 88920), (7695, 86008), (8270, 80028), (8424, 78565), (8892, 74430), (9880, 66987), (9924, 66690), (10260, 64506), (10530, 62852), (10751, 61560), (11115, 59544), (12312, 53755), (12405, 53352), (13338, 49620), (14040, 47139), (14820, 44658), (14886, 44460), (15390, 43004), (15713, 42120), (16540, 40014), (17784, 37215), (19848, 33345), (20007, 33080), (20520, 32253), (21060, 31426), (21502, 30780), (22230, 29772), (22329, 29640), (24810, 26676)]