136768720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{199}}^1$

素因数の和:305

約数の個数: 120

約数和(自身を含む): 356227200

約数和(自身を除く): 219458480

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 71, 80, 88, 110, 121, 142, 176, 199, 220, 242, 284, 355, 398, 440, 484, 568, 605, 710, 781, 796, 880, 968, 995, 1136, 1210, 1420, 1562, 1592, 1936, 1990, 2189, 2420, 2840, 3124, 3184, 3905, 3980, 4378, 4840, 5680, 6248, 7810, 7960, 8591, 8756, 9680, 10945, 12496, 14129, 15620, 15920, 17182, 17512, 21890, 24079, 28258, 31240, 34364, 35024, 42955, 43780, 48158, 56516, 62480, 68728, 70645, 85910, 87560, 96316, 113032, 120395, 137456, 141290, 155419, 171820, 175120, 192632, 226064, 240790, 282580, 310838, 343640, 385264, 481580, 565160, 621676, 687280, 777095, 963160, 1130320, 1243352, 1554190, 1709609, 1926320, 2486704, 3108380, 3419218, 6216760, 6838436, 8548045, 12433520, 13676872, 17096090, 27353744, 34192180, 68384360, 136768720]

約数ペア:

[(1, 136768720), (2, 68384360), (4, 34192180), (5, 27353744), (8, 17096090), (10, 13676872), (11, 12433520), (16, 8548045), (20, 6838436), (22, 6216760), (40, 3419218), (44, 3108380), (55, 2486704), (71, 1926320), (80, 1709609), (88, 1554190), (110, 1243352), (121, 1130320), (142, 963160), (176, 777095), (199, 687280), (220, 621676), (242, 565160), (284, 481580), (355, 385264), (398, 343640), (440, 310838), (484, 282580), (568, 240790), (605, 226064), (710, 192632), (781, 175120), (796, 171820), (880, 155419), (968, 141290), (995, 137456), (1136, 120395), (1210, 113032), (1420, 96316), (1562, 87560), (1592, 85910), (1936, 70645), (1990, 68728), (2189, 62480), (2420, 56516), (2840, 48158), (3124, 43780), (3184, 42955), (3905, 35024), (3980, 34364), (4378, 31240), (4840, 28258), (5680, 24079), (6248, 21890), (7810, 17512), (7960, 17182), (8591, 15920), (8756, 15620), (9680, 14129), (10945, 12496)]