87928020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{557}}^1\times {\mathrm{877}}^1$

素因数の和:1449

約数の個数: 72

約数和(自身を含む): 267498504

約数和(自身を除く): 179570484

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 557, 877, 1114, 1671, 1754, 2228, 2631, 2785, 3342, 3508, 4385, 5013, 5262, 5570, 6684, 7893, 8355, 8770, 10026, 10524, 11140, 13155, 15786, 16710, 17540, 20052, 25065, 26310, 31572, 33420, 39465, 50130, 52620, 78930, 100260, 157860, 488489, 976978, 1465467, 1953956, 2442445, 2930934, 4396401, 4884890, 5861868, 7327335, 8792802, 9769780, 14654670, 17585604, 21982005, 29309340, 43964010, 87928020]

約数ペア:

[(1, 87928020), (2, 43964010), (3, 29309340), (4, 21982005), (5, 17585604), (6, 14654670), (9, 9769780), (10, 8792802), (12, 7327335), (15, 5861868), (18, 4884890), (20, 4396401), (30, 2930934), (36, 2442445), (45, 1953956), (60, 1465467), (90, 976978), (180, 488489), (557, 157860), (877, 100260), (1114, 78930), (1671, 52620), (1754, 50130), (2228, 39465), (2631, 33420), (2785, 31572), (3342, 26310), (3508, 25065), (4385, 20052), (5013, 17540), (5262, 16710), (5570, 15786), (6684, 13155), (7893, 11140), (8355, 10524), (8770, 10026)]