76639640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{167}}^1$

素因数の和:345

約数の個数: 128

約数和(自身を含む): 217728000

約数和(自身を除く): 141088360

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 149, 154, 167, 220, 280, 298, 308, 334, 385, 440, 596, 616, 668, 745, 770, 835, 1043, 1169, 1192, 1336, 1490, 1540, 1639, 1670, 1837, 2086, 2338, 2980, 3080, 3278, 3340, 3674, 4172, 4676, 5215, 5845, 5960, 6556, 6680, 7348, 8195, 8344, 9185, 9352, 10430, 11473, 11690, 12859, 13112, 14696, 16390, 18370, 20860, 22946, 23380, 24883, 25718, 32780, 36740, 41720, 45892, 46760, 49766, 51436, 57365, 64295, 65560, 73480, 91784, 99532, 102872, 114730, 124415, 128590, 174181, 199064, 229460, 248830, 257180, 273713, 348362, 458920, 497660, 514360, 547426, 696724, 870905, 995320, 1094852, 1368565, 1393448, 1741810, 1915991, 2189704, 2737130, 3483620, 3831982, 5474260, 6967240, 7663964, 9579955, 10948520, 15327928, 19159910, 38319820, 76639640]

約数ペア:

[(1, 76639640), (2, 38319820), (4, 19159910), (5, 15327928), (7, 10948520), (8, 9579955), (10, 7663964), (11, 6967240), (14, 5474260), (20, 3831982), (22, 3483620), (28, 2737130), (35, 2189704), (40, 1915991), (44, 1741810), (55, 1393448), (56, 1368565), (70, 1094852), (77, 995320), (88, 870905), (110, 696724), (140, 547426), (149, 514360), (154, 497660), (167, 458920), (220, 348362), (280, 273713), (298, 257180), (308, 248830), (334, 229460), (385, 199064), (440, 174181), (596, 128590), (616, 124415), (668, 114730), (745, 102872), (770, 99532), (835, 91784), (1043, 73480), (1169, 65560), (1192, 64295), (1336, 57365), (1490, 51436), (1540, 49766), (1639, 46760), (1670, 45892), (1837, 41720), (2086, 36740), (2338, 32780), (2980, 25718), (3080, 24883), (3278, 23380), (3340, 22946), (3674, 20860), (4172, 18370), (4676, 16390), (5215, 14696), (5845, 13112), (5960, 12859), (6556, 11690), (6680, 11473), (7348, 10430), (8195, 9352), (8344, 9185)]