84047920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{641}}^1$

素因数の和:814

約数の個数: 80

約数和(自身を含む): 214941600

約数和(自身を除く): 130893680

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 149, 176, 220, 298, 440, 596, 641, 745, 880, 1192, 1282, 1490, 1639, 2384, 2564, 2980, 3205, 3278, 5128, 5960, 6410, 6556, 7051, 8195, 10256, 11920, 12820, 13112, 14102, 16390, 25640, 26224, 28204, 32780, 35255, 51280, 56408, 65560, 70510, 95509, 112816, 131120, 141020, 191018, 282040, 382036, 477545, 564080, 764072, 955090, 1050599, 1528144, 1910180, 2101198, 3820360, 4202396, 5252995, 7640720, 8404792, 10505990, 16809584, 21011980, 42023960, 84047920]

約数ペア:

[(1, 84047920), (2, 42023960), (4, 21011980), (5, 16809584), (8, 10505990), (10, 8404792), (11, 7640720), (16, 5252995), (20, 4202396), (22, 3820360), (40, 2101198), (44, 1910180), (55, 1528144), (80, 1050599), (88, 955090), (110, 764072), (149, 564080), (176, 477545), (220, 382036), (298, 282040), (440, 191018), (596, 141020), (641, 131120), (745, 112816), (880, 95509), (1192, 70510), (1282, 65560), (1490, 56408), (1639, 51280), (2384, 35255), (2564, 32780), (2980, 28204), (3205, 26224), (3278, 25640), (5128, 16390), (5960, 14102), (6410, 13112), (6556, 12820), (7051, 11920), (8195, 10256)]