123357520

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{263}}^1$

素因数の和:341

約数の個数: 160

約数和(自身を含む): 346477824

約数和(自身を除く): 223120304

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 40, 41, 44, 52, 55, 65, 80, 82, 88, 104, 110, 130, 143, 164, 176, 205, 208, 220, 260, 263, 286, 328, 410, 440, 451, 520, 526, 533, 572, 656, 715, 820, 880, 902, 1040, 1052, 1066, 1144, 1315, 1430, 1640, 1804, 2104, 2132, 2255, 2288, 2630, 2665, 2860, 2893, 3280, 3419, 3608, 4208, 4264, 4510, 5260, 5330, 5720, 5786, 5863, 6838, 7216, 8528, 9020, 10520, 10660, 10783, 11440, 11572, 11726, 13676, 14465, 17095, 18040, 21040, 21320, 21566, 23144, 23452, 27352, 28930, 29315, 34190, 36080, 37609, 42640, 43132, 46288, 46904, 53915, 54704, 57860, 58630, 68380, 75218, 86264, 93808, 107830, 115720, 117260, 118613, 136760, 140179, 150436, 172528, 188045, 215660, 231440, 234520, 237226, 273520, 280358, 300872, 376090, 431320, 469040, 474452, 560716, 593065, 601744, 700895, 752180, 862640, 948904, 1121432, 1186130, 1401790, 1504360, 1541969, 1897808, 2242864, 2372260, 2803580, 3008720, 3083938, 4744520, 5607160, 6167876, 7709845, 9489040, 11214320, 12335752, 15419690, 24671504, 30839380, 61678760, 123357520]

約数ペア:

[(1, 123357520), (2, 61678760), (4, 30839380), (5, 24671504), (8, 15419690), (10, 12335752), (11, 11214320), (13, 9489040), (16, 7709845), (20, 6167876), (22, 5607160), (26, 4744520), (40, 3083938), (41, 3008720), (44, 2803580), (52, 2372260), (55, 2242864), (65, 1897808), (80, 1541969), (82, 1504360), (88, 1401790), (104, 1186130), (110, 1121432), (130, 948904), (143, 862640), (164, 752180), (176, 700895), (205, 601744), (208, 593065), (220, 560716), (260, 474452), (263, 469040), (286, 431320), (328, 376090), (410, 300872), (440, 280358), (451, 273520), (520, 237226), (526, 234520), (533, 231440), (572, 215660), (656, 188045), (715, 172528), (820, 150436), (880, 140179), (902, 136760), (1040, 118613), (1052, 117260), (1066, 115720), (1144, 107830), (1315, 93808), (1430, 86264), (1640, 75218), (1804, 68380), (2104, 58630), (2132, 57860), (2255, 54704), (2288, 53915), (2630, 46904), (2665, 46288), (2860, 43132), (2893, 42640), (3280, 37609), (3419, 36080), (3608, 34190), (4208, 29315), (4264, 28930), (4510, 27352), (5260, 23452), (5330, 23144), (5720, 21566), (5786, 21320), (5863, 21040), (6838, 18040), (7216, 17095), (8528, 14465), (9020, 13676), (10520, 11726), (10660, 11572), (10783, 11440)]