20280510

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2423}}^1$

素因数の和:2470

約数の個数: 64

約数和(自身を含む): 55848960

約数和(自身を除く): 35568450

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 31, 45, 54, 62, 90, 93, 135, 155, 186, 270, 279, 310, 465, 558, 837, 930, 1395, 1674, 2423, 2790, 4185, 4846, 7269, 8370, 12115, 14538, 21807, 24230, 36345, 43614, 65421, 72690, 75113, 109035, 130842, 150226, 218070, 225339, 327105, 375565, 450678, 654210, 676017, 751130, 1126695, 1352034, 2028051, 2253390, 3380085, 4056102, 6760170, 10140255, 20280510]

約数ペア:

[(1, 20280510), (2, 10140255), (3, 6760170), (5, 4056102), (6, 3380085), (9, 2253390), (10, 2028051), (15, 1352034), (18, 1126695), (27, 751130), (30, 676017), (31, 654210), (45, 450678), (54, 375565), (62, 327105), (90, 225339), (93, 218070), (135, 150226), (155, 130842), (186, 109035), (270, 75113), (279, 72690), (310, 65421), (465, 43614), (558, 36345), (837, 24230), (930, 21807), (1395, 14538), (1674, 12115), (2423, 8370), (2790, 7269), (4185, 4846)]