79975480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1$

素因数の和:233

約数の個数: 128

約数和(自身を含む): 209563200

約数和(自身を除く): 129587720

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 68, 83, 85, 104, 109, 130, 136, 166, 170, 218, 221, 260, 332, 340, 415, 436, 442, 520, 545, 664, 680, 830, 872, 884, 1079, 1090, 1105, 1411, 1417, 1660, 1768, 1853, 2158, 2180, 2210, 2822, 2834, 3320, 3706, 4316, 4360, 4420, 5395, 5644, 5668, 7055, 7085, 7412, 8632, 8840, 9047, 9265, 10790, 11288, 11336, 14110, 14170, 14824, 18094, 18343, 18530, 21580, 24089, 28220, 28340, 36188, 36686, 37060, 43160, 45235, 48178, 56440, 56680, 72376, 73372, 74120, 90470, 91715, 96356, 117611, 120445, 146744, 153799, 180940, 183430, 192712, 235222, 240890, 307598, 361880, 366860, 470444, 481780, 588055, 615196, 733720, 768995, 940888, 963560, 1176110, 1230392, 1537990, 1999387, 2352220, 3075980, 3998774, 4704440, 6151960, 7997548, 9996935, 15995096, 19993870, 39987740, 79975480]

約数ペア:

[(1, 79975480), (2, 39987740), (4, 19993870), (5, 15995096), (8, 9996935), (10, 7997548), (13, 6151960), (17, 4704440), (20, 3998774), (26, 3075980), (34, 2352220), (40, 1999387), (52, 1537990), (65, 1230392), (68, 1176110), (83, 963560), (85, 940888), (104, 768995), (109, 733720), (130, 615196), (136, 588055), (166, 481780), (170, 470444), (218, 366860), (221, 361880), (260, 307598), (332, 240890), (340, 235222), (415, 192712), (436, 183430), (442, 180940), (520, 153799), (545, 146744), (664, 120445), (680, 117611), (830, 96356), (872, 91715), (884, 90470), (1079, 74120), (1090, 73372), (1105, 72376), (1411, 56680), (1417, 56440), (1660, 48178), (1768, 45235), (1853, 43160), (2158, 37060), (2180, 36686), (2210, 36188), (2822, 28340), (2834, 28220), (3320, 24089), (3706, 21580), (4316, 18530), (4360, 18343), (4420, 18094), (5395, 14824), (5644, 14170), (5668, 14110), (7055, 11336), (7085, 11288), (7412, 10790), (8632, 9265), (8840, 9047)]