155603920

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{613}}^1$

素因数の和:812

約数の個数: 80

約数和(自身を含む): 383725440

約数和(自身を除く): 228121520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 167, 190, 304, 334, 380, 613, 668, 760, 835, 1226, 1336, 1520, 1670, 2452, 2672, 3065, 3173, 3340, 4904, 6130, 6346, 6680, 9808, 11647, 12260, 12692, 13360, 15865, 23294, 24520, 25384, 31730, 46588, 49040, 50768, 58235, 63460, 93176, 102371, 116470, 126920, 186352, 204742, 232940, 253840, 409484, 465880, 511855, 818968, 931760, 1023710, 1637936, 1945049, 2047420, 3890098, 4094840, 7780196, 8189680, 9725245, 15560392, 19450490, 31120784, 38900980, 77801960, 155603920]

約数ペア:

[(1, 155603920), (2, 77801960), (4, 38900980), (5, 31120784), (8, 19450490), (10, 15560392), (16, 9725245), (19, 8189680), (20, 7780196), (38, 4094840), (40, 3890098), (76, 2047420), (80, 1945049), (95, 1637936), (152, 1023710), (167, 931760), (190, 818968), (304, 511855), (334, 465880), (380, 409484), (613, 253840), (668, 232940), (760, 204742), (835, 186352), (1226, 126920), (1336, 116470), (1520, 102371), (1670, 93176), (2452, 63460), (2672, 58235), (3065, 50768), (3173, 49040), (3340, 46588), (4904, 31730), (6130, 25384), (6346, 24520), (6680, 23294), (9808, 15865), (11647, 13360), (12260, 12692)]