77481320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{167}}^1\times {\mathrm{1657}}^1$

素因数の和:1842

約数の個数: 64

約数和(自身を含む): 200551680

約数和(自身を除く): 123070360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 167, 280, 334, 668, 835, 1169, 1336, 1657, 1670, 2338, 3314, 3340, 4676, 5845, 6628, 6680, 8285, 9352, 11599, 11690, 13256, 16570, 23198, 23380, 33140, 46396, 46760, 57995, 66280, 92792, 115990, 231980, 276719, 463960, 553438, 1106876, 1383595, 1937033, 2213752, 2767190, 3874066, 5534380, 7748132, 9685165, 11068760, 15496264, 19370330, 38740660, 77481320]

約数ペア:

[(1, 77481320), (2, 38740660), (4, 19370330), (5, 15496264), (7, 11068760), (8, 9685165), (10, 7748132), (14, 5534380), (20, 3874066), (28, 2767190), (35, 2213752), (40, 1937033), (56, 1383595), (70, 1106876), (140, 553438), (167, 463960), (280, 276719), (334, 231980), (668, 115990), (835, 92792), (1169, 66280), (1336, 57995), (1657, 46760), (1670, 46396), (2338, 33140), (3314, 23380), (3340, 23198), (4676, 16570), (5845, 13256), (6628, 11690), (6680, 11599), (8285, 9352)]