81872880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{3833}}^1$

素因数の和:3938

約数の個数: 80

約数和(自身を含む): 256724640

約数和(自身を除く): 174851760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 89, 120, 178, 240, 267, 356, 445, 534, 712, 890, 1068, 1335, 1424, 1780, 2136, 2670, 3560, 3833, 4272, 5340, 7120, 7666, 10680, 11499, 15332, 19165, 21360, 22998, 30664, 38330, 45996, 57495, 61328, 76660, 91992, 114990, 153320, 183984, 229980, 306640, 341137, 459960, 682274, 919920, 1023411, 1364548, 1705685, 2046822, 2729096, 3411370, 4093644, 5117055, 5458192, 6822740, 8187288, 10234110, 13645480, 16374576, 20468220, 27290960, 40936440, 81872880]

約数ペア:

[(1, 81872880), (2, 40936440), (3, 27290960), (4, 20468220), (5, 16374576), (6, 13645480), (8, 10234110), (10, 8187288), (12, 6822740), (15, 5458192), (16, 5117055), (20, 4093644), (24, 3411370), (30, 2729096), (40, 2046822), (48, 1705685), (60, 1364548), (80, 1023411), (89, 919920), (120, 682274), (178, 459960), (240, 341137), (267, 306640), (356, 229980), (445, 183984), (534, 153320), (712, 114990), (890, 91992), (1068, 76660), (1335, 61328), (1424, 57495), (1780, 45996), (2136, 38330), (2670, 30664), (3560, 22998), (3833, 21360), (4272, 19165), (5340, 15332), (7120, 11499), (7666, 10680)]