61678760

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{263}}^1$

素因数の和:339

約数の個数: 128

約数和(自身を含む): 167650560

約数和(自身を除く): 105971800

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 41, 44, 52, 55, 65, 82, 88, 104, 110, 130, 143, 164, 205, 220, 260, 263, 286, 328, 410, 440, 451, 520, 526, 533, 572, 715, 820, 902, 1052, 1066, 1144, 1315, 1430, 1640, 1804, 2104, 2132, 2255, 2630, 2665, 2860, 2893, 3419, 3608, 4264, 4510, 5260, 5330, 5720, 5786, 5863, 6838, 9020, 10520, 10660, 10783, 11572, 11726, 13676, 14465, 17095, 18040, 21320, 21566, 23144, 23452, 27352, 28930, 29315, 34190, 37609, 43132, 46904, 53915, 57860, 58630, 68380, 75218, 86264, 107830, 115720, 117260, 118613, 136760, 140179, 150436, 188045, 215660, 234520, 237226, 280358, 300872, 376090, 431320, 474452, 560716, 593065, 700895, 752180, 948904, 1121432, 1186130, 1401790, 1504360, 1541969, 2372260, 2803580, 3083938, 4744520, 5607160, 6167876, 7709845, 12335752, 15419690, 30839380, 61678760]

約数ペア:

[(1, 61678760), (2, 30839380), (4, 15419690), (5, 12335752), (8, 7709845), (10, 6167876), (11, 5607160), (13, 4744520), (20, 3083938), (22, 2803580), (26, 2372260), (40, 1541969), (41, 1504360), (44, 1401790), (52, 1186130), (55, 1121432), (65, 948904), (82, 752180), (88, 700895), (104, 593065), (110, 560716), (130, 474452), (143, 431320), (164, 376090), (205, 300872), (220, 280358), (260, 237226), (263, 234520), (286, 215660), (328, 188045), (410, 150436), (440, 140179), (451, 136760), (520, 118613), (526, 117260), (533, 115720), (572, 107830), (715, 86264), (820, 75218), (902, 68380), (1052, 58630), (1066, 57860), (1144, 53915), (1315, 46904), (1430, 43132), (1640, 37609), (1804, 34190), (2104, 29315), (2132, 28930), (2255, 27352), (2630, 23452), (2665, 23144), (2860, 21566), (2893, 21320), (3419, 18040), (3608, 17095), (4264, 14465), (4510, 13676), (5260, 11726), (5330, 11572), (5720, 10783), (5786, 10660), (5863, 10520), (6838, 9020)]