1640535312

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{61141}}^1$

素因数の和:61208

約数の個数: 80

約数和(自身を含む): 4670270528

約数和(自身を除く): 3029735216

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 43, 48, 52, 78, 86, 104, 129, 156, 172, 208, 258, 312, 344, 516, 559, 624, 688, 1032, 1118, 1677, 2064, 2236, 3354, 4472, 6708, 8944, 13416, 26832, 61141, 122282, 183423, 244564, 366846, 489128, 733692, 794833, 978256, 1467384, 1589666, 2384499, 2629063, 2934768, 3179332, 4768998, 5258126, 6358664, 7887189, 9537996, 10516252, 12717328, 15774378, 19075992, 21032504, 31548756, 34177819, 38151984, 42065008, 63097512, 68355638, 102533457, 126195024, 136711276, 205066914, 273422552, 410133828, 546845104, 820267656, 1640535312]

約数ペア:

[(1, 1640535312), (2, 820267656), (3, 546845104), (4, 410133828), (6, 273422552), (8, 205066914), (12, 136711276), (13, 126195024), (16, 102533457), (24, 68355638), (26, 63097512), (39, 42065008), (43, 38151984), (48, 34177819), (52, 31548756), (78, 21032504), (86, 19075992), (104, 15774378), (129, 12717328), (156, 10516252), (172, 9537996), (208, 7887189), (258, 6358664), (312, 5258126), (344, 4768998), (516, 3179332), (559, 2934768), (624, 2629063), (688, 2384499), (1032, 1589666), (1118, 1467384), (1677, 978256), (2064, 794833), (2236, 733692), (3354, 489128), (4472, 366846), (6708, 244564), (8944, 183423), (13416, 122282), (26832, 61141)]