81366840

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{2861}}^1$

素因数の和:2957

約数の個数: 96

約数和(自身を含む): 267883200

約数和(自身を除く): 186516360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 79, 90, 120, 158, 180, 237, 316, 360, 395, 474, 632, 711, 790, 948, 1185, 1422, 1580, 1896, 2370, 2844, 2861, 3160, 3555, 4740, 5688, 5722, 7110, 8583, 9480, 11444, 14220, 14305, 17166, 22888, 25749, 28440, 28610, 34332, 42915, 51498, 57220, 68664, 85830, 102996, 114440, 128745, 171660, 205992, 226019, 257490, 343320, 452038, 514980, 678057, 904076, 1029960, 1130095, 1356114, 1808152, 2034171, 2260190, 2712228, 3390285, 4068342, 4520380, 5424456, 6780570, 8136684, 9040760, 10170855, 13561140, 16273368, 20341710, 27122280, 40683420, 81366840]

約数ペア:

[(1, 81366840), (2, 40683420), (3, 27122280), (4, 20341710), (5, 16273368), (6, 13561140), (8, 10170855), (9, 9040760), (10, 8136684), (12, 6780570), (15, 5424456), (18, 4520380), (20, 4068342), (24, 3390285), (30, 2712228), (36, 2260190), (40, 2034171), (45, 1808152), (60, 1356114), (72, 1130095), (79, 1029960), (90, 904076), (120, 678057), (158, 514980), (180, 452038), (237, 343320), (316, 257490), (360, 226019), (395, 205992), (474, 171660), (632, 128745), (711, 114440), (790, 102996), (948, 85830), (1185, 68664), (1422, 57220), (1580, 51498), (1896, 42915), (2370, 34332), (2844, 28610), (2861, 28440), (3160, 25749), (3555, 22888), (4740, 17166), (5688, 14305), (5722, 14220), (7110, 11444), (8583, 9480)]