70756980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{587}}^1$

素因数の和:654

約数の個数: 144

約数和(自身を含む): 236488896

約数和(自身を除く): 165731916

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 41, 42, 49, 60, 70, 82, 84, 98, 105, 123, 140, 147, 164, 196, 205, 210, 245, 246, 287, 294, 410, 420, 490, 492, 574, 587, 588, 615, 735, 820, 861, 980, 1148, 1174, 1230, 1435, 1470, 1722, 1761, 2009, 2348, 2460, 2870, 2935, 2940, 3444, 3522, 4018, 4109, 4305, 5740, 5870, 6027, 7044, 8036, 8218, 8610, 8805, 10045, 11740, 12054, 12327, 16436, 17220, 17610, 20090, 20545, 24067, 24108, 24654, 28763, 30135, 35220, 40180, 41090, 48134, 49308, 57526, 60270, 61635, 72201, 82180, 86289, 96268, 115052, 120335, 120540, 123270, 143815, 144402, 168469, 172578, 240670, 246540, 287630, 288804, 336938, 345156, 361005, 431445, 481340, 505407, 575260, 673876, 722010, 842345, 862890, 1010814, 1179283, 1444020, 1684690, 1725780, 2021628, 2358566, 2527035, 3369380, 3537849, 4717132, 5054070, 5896415, 7075698, 10108140, 11792830, 14151396, 17689245, 23585660, 35378490, 70756980]

約数ペア:

[(1, 70756980), (2, 35378490), (3, 23585660), (4, 17689245), (5, 14151396), (6, 11792830), (7, 10108140), (10, 7075698), (12, 5896415), (14, 5054070), (15, 4717132), (20, 3537849), (21, 3369380), (28, 2527035), (30, 2358566), (35, 2021628), (41, 1725780), (42, 1684690), (49, 1444020), (60, 1179283), (70, 1010814), (82, 862890), (84, 842345), (98, 722010), (105, 673876), (123, 575260), (140, 505407), (147, 481340), (164, 431445), (196, 361005), (205, 345156), (210, 336938), (245, 288804), (246, 287630), (287, 246540), (294, 240670), (410, 172578), (420, 168469), (490, 144402), (492, 143815), (574, 123270), (587, 120540), (588, 120335), (615, 115052), (735, 96268), (820, 86289), (861, 82180), (980, 72201), (1148, 61635), (1174, 60270), (1230, 57526), (1435, 49308), (1470, 48134), (1722, 41090), (1761, 40180), (2009, 35220), (2348, 30135), (2460, 28763), (2870, 24654), (2935, 24108), (2940, 24067), (3444, 20545), (3522, 20090), (4018, 17610), (4109, 17220), (4305, 16436), (5740, 12327), (5870, 12054), (6027, 11740), (7044, 10045), (8036, 8805), (8218, 8610)]