80991780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{523}}^1$

素因数の和:653

約数の個数: 96

約数和(自身を含む): 237686400

約数和(自身を除く): 156694620

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 58, 60, 87, 89, 116, 145, 174, 178, 267, 290, 348, 356, 435, 445, 523, 534, 580, 870, 890, 1046, 1068, 1335, 1569, 1740, 1780, 2092, 2581, 2615, 2670, 3138, 5162, 5230, 5340, 6276, 7743, 7845, 10324, 10460, 12905, 15167, 15486, 15690, 25810, 30334, 30972, 31380, 38715, 45501, 46547, 51620, 60668, 75835, 77430, 91002, 93094, 139641, 151670, 154860, 182004, 186188, 227505, 232735, 279282, 303340, 455010, 465470, 558564, 698205, 910020, 930940, 1349863, 1396410, 2699726, 2792820, 4049589, 5399452, 6749315, 8099178, 13498630, 16198356, 20247945, 26997260, 40495890, 80991780]

約数ペア:

[(1, 80991780), (2, 40495890), (3, 26997260), (4, 20247945), (5, 16198356), (6, 13498630), (10, 8099178), (12, 6749315), (15, 5399452), (20, 4049589), (29, 2792820), (30, 2699726), (58, 1396410), (60, 1349863), (87, 930940), (89, 910020), (116, 698205), (145, 558564), (174, 465470), (178, 455010), (267, 303340), (290, 279282), (348, 232735), (356, 227505), (435, 186188), (445, 182004), (523, 154860), (534, 151670), (580, 139641), (870, 93094), (890, 91002), (1046, 77430), (1068, 75835), (1335, 60668), (1569, 51620), (1740, 46547), (1780, 45501), (2092, 38715), (2581, 31380), (2615, 30972), (2670, 30334), (3138, 25810), (5162, 15690), (5230, 15486), (5340, 15167), (6276, 12905), (7743, 10460), (7845, 10324)]