76381520

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1621}}^1$

素因数の和:1684

約数の個数: 80

約数和(自身を含む): 193082880

約数和(自身を除く): 116701360

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 38, 40, 62, 76, 80, 95, 124, 152, 155, 190, 248, 304, 310, 380, 496, 589, 620, 760, 1178, 1240, 1520, 1621, 2356, 2480, 2945, 3242, 4712, 5890, 6484, 8105, 9424, 11780, 12968, 16210, 23560, 25936, 30799, 32420, 47120, 50251, 61598, 64840, 100502, 123196, 129680, 153995, 201004, 246392, 251255, 307990, 402008, 492784, 502510, 615980, 804016, 954769, 1005020, 1231960, 1909538, 2010040, 2463920, 3819076, 4020080, 4773845, 7638152, 9547690, 15276304, 19095380, 38190760, 76381520]

約数ペア:

[(1, 76381520), (2, 38190760), (4, 19095380), (5, 15276304), (8, 9547690), (10, 7638152), (16, 4773845), (19, 4020080), (20, 3819076), (31, 2463920), (38, 2010040), (40, 1909538), (62, 1231960), (76, 1005020), (80, 954769), (95, 804016), (124, 615980), (152, 502510), (155, 492784), (190, 402008), (248, 307990), (304, 251255), (310, 246392), (380, 201004), (496, 153995), (589, 129680), (620, 123196), (760, 100502), (1178, 64840), (1240, 61598), (1520, 50251), (1621, 47120), (2356, 32420), (2480, 30799), (2945, 25936), (3242, 23560), (4712, 16210), (5890, 12968), (6484, 11780), (8105, 9424)]