178875320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{1801}}^1$

素因数の和:2016

約数の個数: 64

約数和(自身を含む): 435939840

約数和(自身を除く): 257064520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 191, 260, 382, 520, 764, 955, 1528, 1801, 1910, 2483, 3602, 3820, 4966, 7204, 7640, 9005, 9932, 12415, 14408, 18010, 19864, 23413, 24830, 36020, 46826, 49660, 72040, 93652, 99320, 117065, 187304, 234130, 343991, 468260, 687982, 936520, 1375964, 1719955, 2751928, 3439910, 4471883, 6879820, 8943766, 13759640, 17887532, 22359415, 35775064, 44718830, 89437660, 178875320]

約数ペア:

[(1, 178875320), (2, 89437660), (4, 44718830), (5, 35775064), (8, 22359415), (10, 17887532), (13, 13759640), (20, 8943766), (26, 6879820), (40, 4471883), (52, 3439910), (65, 2751928), (104, 1719955), (130, 1375964), (191, 936520), (260, 687982), (382, 468260), (520, 343991), (764, 234130), (955, 187304), (1528, 117065), (1801, 99320), (1910, 93652), (2483, 72040), (3602, 49660), (3820, 46826), (4966, 36020), (7204, 24830), (7640, 23413), (9005, 19864), (9932, 18010), (12415, 14408)]