187747920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{260761}}^1$

素因数の和:260780

約数の個数: 60

約数和(自身を含む): 630522516

約数和(自身を除く): 442774596

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 260761, 521522, 782283, 1043044, 1303805, 1564566, 2086088, 2346849, 2607610, 3129132, 3911415, 4172176, 4693698, 5215220, 6258264, 7822830, 9387396, 10430440, 11734245, 12516528, 15645660, 18774792, 20860880, 23468490, 31291320, 37549584, 46936980, 62582640, 93873960, 187747920]

約数ペア:

[(1, 187747920), (2, 93873960), (3, 62582640), (4, 46936980), (5, 37549584), (6, 31291320), (8, 23468490), (9, 20860880), (10, 18774792), (12, 15645660), (15, 12516528), (16, 11734245), (18, 10430440), (20, 9387396), (24, 7822830), (30, 6258264), (36, 5215220), (40, 4693698), (45, 4172176), (48, 3911415), (60, 3129132), (72, 2607610), (80, 2346849), (90, 2086088), (120, 1564566), (144, 1303805), (180, 1043044), (240, 782283), (360, 521522), (720, 260761)]