102404720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:255

約数の個数: 120

約数和(自身を含む): 267170400

約数和(自身を除く): 164765680

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 71, 80, 88, 110, 121, 142, 149, 176, 220, 242, 284, 298, 355, 440, 484, 568, 596, 605, 710, 745, 781, 880, 968, 1136, 1192, 1210, 1420, 1490, 1562, 1639, 1936, 2384, 2420, 2840, 2980, 3124, 3278, 3905, 4840, 5680, 5960, 6248, 6556, 7810, 8195, 8591, 9680, 10579, 11920, 12496, 13112, 15620, 16390, 17182, 18029, 21158, 26224, 31240, 32780, 34364, 36058, 42316, 42955, 52895, 62480, 65560, 68728, 72116, 84632, 85910, 90145, 105790, 116369, 131120, 137456, 144232, 169264, 171820, 180290, 211580, 232738, 288464, 343640, 360580, 423160, 465476, 581845, 687280, 721160, 846320, 930952, 1163690, 1280059, 1442320, 1861904, 2327380, 2560118, 4654760, 5120236, 6400295, 9309520, 10240472, 12800590, 20480944, 25601180, 51202360, 102404720]

約数ペア:

[(1, 102404720), (2, 51202360), (4, 25601180), (5, 20480944), (8, 12800590), (10, 10240472), (11, 9309520), (16, 6400295), (20, 5120236), (22, 4654760), (40, 2560118), (44, 2327380), (55, 1861904), (71, 1442320), (80, 1280059), (88, 1163690), (110, 930952), (121, 846320), (142, 721160), (149, 687280), (176, 581845), (220, 465476), (242, 423160), (284, 360580), (298, 343640), (355, 288464), (440, 232738), (484, 211580), (568, 180290), (596, 171820), (605, 169264), (710, 144232), (745, 137456), (781, 131120), (880, 116369), (968, 105790), (1136, 90145), (1192, 85910), (1210, 84632), (1420, 72116), (1490, 68728), (1562, 65560), (1639, 62480), (1936, 52895), (2384, 42955), (2420, 42316), (2840, 36058), (2980, 34364), (3124, 32780), (3278, 31240), (3905, 26224), (4840, 21158), (5680, 18029), (5960, 17182), (6248, 16390), (6556, 15620), (7810, 13112), (8195, 12496), (8591, 11920), (9680, 10579)]