77817420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{6089}}^1$

素因数の和:6175

約数の個数: 72

約数和(自身を含む): 239410080

約数和(自身を除く): 161592660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 142, 180, 213, 284, 355, 426, 639, 710, 852, 1065, 1278, 1420, 2130, 2556, 3195, 4260, 6089, 6390, 12178, 12780, 18267, 24356, 30445, 36534, 54801, 60890, 73068, 91335, 109602, 121780, 182670, 219204, 274005, 365340, 432319, 548010, 864638, 1096020, 1296957, 1729276, 2161595, 2593914, 3890871, 4323190, 5187828, 6484785, 7781742, 8646380, 12969570, 15563484, 19454355, 25939140, 38908710, 77817420]

約数ペア:

[(1, 77817420), (2, 38908710), (3, 25939140), (4, 19454355), (5, 15563484), (6, 12969570), (9, 8646380), (10, 7781742), (12, 6484785), (15, 5187828), (18, 4323190), (20, 3890871), (30, 2593914), (36, 2161595), (45, 1729276), (60, 1296957), (71, 1096020), (90, 864638), (142, 548010), (180, 432319), (213, 365340), (284, 274005), (355, 219204), (426, 182670), (639, 121780), (710, 109602), (852, 91335), (1065, 73068), (1278, 60890), (1420, 54801), (2130, 36534), (2556, 30445), (3195, 24356), (4260, 18267), (6089, 12780), (6390, 12178)]