15550996880

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1489}}^1\times {\mathrm{6871}}^1$

素因数の和:8392

約数の個数: 80

約数和(自身を含む): 38090121600

約数和(自身を除く): 22539124720

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1489, 1520, 2978, 5956, 6871, 7445, 11912, 13742, 14890, 23824, 27484, 28291, 29780, 34355, 54968, 56582, 59560, 68710, 109936, 113164, 119120, 130549, 137420, 141455, 226328, 261098, 274840, 282910, 452656, 522196, 549680, 565820, 652745, 1044392, 1131640, 1305490, 2088784, 2263280, 2610980, 5221960, 10230919, 10443920, 20461838, 40923676, 51154595, 81847352, 102309190, 163694704, 194387461, 204618380, 388774922, 409236760, 777549844, 818473520, 971937305, 1555099688, 1943874610, 3110199376, 3887749220, 7775498440, 15550996880]

約数ペア:

[(1, 15550996880), (2, 7775498440), (4, 3887749220), (5, 3110199376), (8, 1943874610), (10, 1555099688), (16, 971937305), (19, 818473520), (20, 777549844), (38, 409236760), (40, 388774922), (76, 204618380), (80, 194387461), (95, 163694704), (152, 102309190), (190, 81847352), (304, 51154595), (380, 40923676), (760, 20461838), (1489, 10443920), (1520, 10230919), (2978, 5221960), (5956, 2610980), (6871, 2263280), (7445, 2088784), (11912, 1305490), (13742, 1131640), (14890, 1044392), (23824, 652745), (27484, 565820), (28291, 549680), (29780, 522196), (34355, 452656), (54968, 282910), (56582, 274840), (59560, 261098), (68710, 226328), (109936, 141455), (113164, 137420), (119120, 130549)]