68969680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1$

素因数の和:173

約数の個数: 160

約数和(自身を含む): 188987904

約数和(自身を除く): 120018224

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 34, 40, 47, 52, 65, 68, 80, 83, 85, 94, 104, 130, 136, 166, 170, 188, 208, 221, 235, 260, 272, 332, 340, 376, 415, 442, 470, 520, 611, 664, 680, 752, 799, 830, 884, 940, 1040, 1079, 1105, 1222, 1328, 1360, 1411, 1598, 1660, 1768, 1880, 2158, 2210, 2444, 2822, 3055, 3196, 3320, 3536, 3760, 3901, 3995, 4316, 4420, 4888, 5395, 5644, 6110, 6392, 6640, 7055, 7802, 7990, 8632, 8840, 9776, 10387, 10790, 11288, 12220, 12784, 14110, 15604, 15980, 17264, 17680, 18343, 19505, 20774, 21580, 22576, 24440, 28220, 31208, 31960, 36686, 39010, 41548, 43160, 48880, 50713, 51935, 56440, 62416, 63920, 66317, 73372, 78020, 83096, 86320, 91715, 101426, 103870, 112880, 132634, 146744, 156040, 166192, 183430, 202852, 207740, 253565, 265268, 293488, 312080, 331585, 366860, 405704, 415480, 507130, 530536, 663170, 733720, 811408, 830960, 862121, 1014260, 1061072, 1326340, 1467440, 1724242, 2028520, 2652680, 3448484, 4057040, 4310605, 5305360, 6896968, 8621210, 13793936, 17242420, 34484840, 68969680]

約数ペア:

[(1, 68969680), (2, 34484840), (4, 17242420), (5, 13793936), (8, 8621210), (10, 6896968), (13, 5305360), (16, 4310605), (17, 4057040), (20, 3448484), (26, 2652680), (34, 2028520), (40, 1724242), (47, 1467440), (52, 1326340), (65, 1061072), (68, 1014260), (80, 862121), (83, 830960), (85, 811408), (94, 733720), (104, 663170), (130, 530536), (136, 507130), (166, 415480), (170, 405704), (188, 366860), (208, 331585), (221, 312080), (235, 293488), (260, 265268), (272, 253565), (332, 207740), (340, 202852), (376, 183430), (415, 166192), (442, 156040), (470, 146744), (520, 132634), (611, 112880), (664, 103870), (680, 101426), (752, 91715), (799, 86320), (830, 83096), (884, 78020), (940, 73372), (1040, 66317), (1079, 63920), (1105, 62416), (1222, 56440), (1328, 51935), (1360, 50713), (1411, 48880), (1598, 43160), (1660, 41548), (1768, 39010), (1880, 36686), (2158, 31960), (2210, 31208), (2444, 28220), (2822, 24440), (3055, 22576), (3196, 21580), (3320, 20774), (3536, 19505), (3760, 18343), (3901, 17680), (3995, 17264), (4316, 15980), (4420, 15604), (4888, 14110), (5395, 12784), (5644, 12220), (6110, 11288), (6392, 10790), (6640, 10387), (7055, 9776), (7802, 8840), (7990, 8632)]