61577880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{5639}}^1$

素因数の和:5673

約数の個数: 128

約数和(自身を含む): 227404800

約数和(自身を除く): 165826920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 130, 140, 156, 168, 182, 195, 210, 260, 273, 280, 312, 364, 390, 420, 455, 520, 546, 728, 780, 840, 910, 1092, 1365, 1560, 1820, 2184, 2730, 3640, 5460, 5639, 10920, 11278, 16917, 22556, 28195, 33834, 39473, 45112, 56390, 67668, 73307, 78946, 84585, 112780, 118419, 135336, 146614, 157892, 169170, 197365, 219921, 225560, 236838, 293228, 315784, 338340, 366535, 394730, 439842, 473676, 513149, 586456, 592095, 676680, 733070, 789460, 879684, 947352, 1026298, 1099605, 1184190, 1466140, 1539447, 1578920, 1759368, 2052596, 2199210, 2368380, 2565745, 2932280, 3078894, 4105192, 4398420, 4736760, 5131490, 6157788, 7697235, 8796840, 10262980, 12315576, 15394470, 20525960, 30788940, 61577880]

約数ペア:

[(1, 61577880), (2, 30788940), (3, 20525960), (4, 15394470), (5, 12315576), (6, 10262980), (7, 8796840), (8, 7697235), (10, 6157788), (12, 5131490), (13, 4736760), (14, 4398420), (15, 4105192), (20, 3078894), (21, 2932280), (24, 2565745), (26, 2368380), (28, 2199210), (30, 2052596), (35, 1759368), (39, 1578920), (40, 1539447), (42, 1466140), (52, 1184190), (56, 1099605), (60, 1026298), (65, 947352), (70, 879684), (78, 789460), (84, 733070), (91, 676680), (104, 592095), (105, 586456), (120, 513149), (130, 473676), (140, 439842), (156, 394730), (168, 366535), (182, 338340), (195, 315784), (210, 293228), (260, 236838), (273, 225560), (280, 219921), (312, 197365), (364, 169170), (390, 157892), (420, 146614), (455, 135336), (520, 118419), (546, 112780), (728, 84585), (780, 78946), (840, 73307), (910, 67668), (1092, 56390), (1365, 45112), (1560, 39473), (1820, 33834), (2184, 28195), (2730, 22556), (3640, 16917), (5460, 11278), (5639, 10920)]