87191580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{631}}^1$

素因数の和:704

約数の個数: 144

約数和(自身を含む): 290497536

約数和(自身を除く): 203305956

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 47, 49, 60, 70, 84, 94, 98, 105, 140, 141, 147, 188, 196, 210, 235, 245, 282, 294, 329, 420, 470, 490, 564, 588, 631, 658, 705, 735, 940, 980, 987, 1262, 1316, 1410, 1470, 1645, 1893, 1974, 2303, 2524, 2820, 2940, 3155, 3290, 3786, 3948, 4417, 4606, 4935, 6310, 6580, 6909, 7572, 8834, 9212, 9465, 9870, 11515, 12620, 13251, 13818, 17668, 18930, 19740, 22085, 23030, 26502, 27636, 29657, 30919, 34545, 37860, 44170, 46060, 53004, 59314, 61838, 66255, 69090, 88340, 88971, 92757, 118628, 123676, 132510, 138180, 148285, 154595, 177942, 185514, 207599, 265020, 296570, 309190, 355884, 371028, 415198, 444855, 463785, 593140, 618380, 622797, 830396, 889710, 927570, 1037995, 1245594, 1453193, 1779420, 1855140, 2075990, 2491188, 2906386, 3113985, 4151980, 4359579, 5812772, 6227970, 7265965, 8719158, 12455940, 14531930, 17438316, 21797895, 29063860, 43595790, 87191580]

約数ペア:

[(1, 87191580), (2, 43595790), (3, 29063860), (4, 21797895), (5, 17438316), (6, 14531930), (7, 12455940), (10, 8719158), (12, 7265965), (14, 6227970), (15, 5812772), (20, 4359579), (21, 4151980), (28, 3113985), (30, 2906386), (35, 2491188), (42, 2075990), (47, 1855140), (49, 1779420), (60, 1453193), (70, 1245594), (84, 1037995), (94, 927570), (98, 889710), (105, 830396), (140, 622797), (141, 618380), (147, 593140), (188, 463785), (196, 444855), (210, 415198), (235, 371028), (245, 355884), (282, 309190), (294, 296570), (329, 265020), (420, 207599), (470, 185514), (490, 177942), (564, 154595), (588, 148285), (631, 138180), (658, 132510), (705, 123676), (735, 118628), (940, 92757), (980, 88971), (987, 88340), (1262, 69090), (1316, 66255), (1410, 61838), (1470, 59314), (1645, 53004), (1893, 46060), (1974, 44170), (2303, 37860), (2524, 34545), (2820, 30919), (2940, 29657), (3155, 27636), (3290, 26502), (3786, 23030), (3948, 22085), (4417, 19740), (4606, 18930), (4935, 17668), (6310, 13818), (6580, 13251), (6909, 12620), (7572, 11515), (8834, 9870), (9212, 9465)]