84945640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1$

素因数の和:227

約数の個数: 128

約数和(自身を含む): 219542400

約数和(自身を除く): 134596760

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 29, 40, 43, 52, 58, 65, 86, 104, 116, 130, 131, 145, 172, 215, 232, 260, 262, 290, 344, 377, 430, 520, 524, 559, 580, 655, 754, 860, 1048, 1118, 1160, 1247, 1310, 1508, 1703, 1720, 1885, 2236, 2494, 2620, 2795, 3016, 3406, 3770, 3799, 4472, 4988, 5240, 5590, 5633, 6235, 6812, 7540, 7598, 8515, 9976, 11180, 11266, 12470, 13624, 15080, 15196, 16211, 17030, 18995, 22360, 22532, 24940, 28165, 30392, 32422, 34060, 37990, 45064, 49387, 49880, 56330, 64844, 68120, 73229, 75980, 81055, 98774, 112660, 129688, 146458, 151960, 162110, 163357, 197548, 225320, 246935, 292916, 324220, 326714, 366145, 395096, 493870, 585832, 648440, 653428, 732290, 816785, 987740, 1306856, 1464580, 1633570, 1975480, 2123641, 2929160, 3267140, 4247282, 6534280, 8494564, 10618205, 16989128, 21236410, 42472820, 84945640]

約数ペア:

[(1, 84945640), (2, 42472820), (4, 21236410), (5, 16989128), (8, 10618205), (10, 8494564), (13, 6534280), (20, 4247282), (26, 3267140), (29, 2929160), (40, 2123641), (43, 1975480), (52, 1633570), (58, 1464580), (65, 1306856), (86, 987740), (104, 816785), (116, 732290), (130, 653428), (131, 648440), (145, 585832), (172, 493870), (215, 395096), (232, 366145), (260, 326714), (262, 324220), (290, 292916), (344, 246935), (377, 225320), (430, 197548), (520, 163357), (524, 162110), (559, 151960), (580, 146458), (655, 129688), (754, 112660), (860, 98774), (1048, 81055), (1118, 75980), (1160, 73229), (1247, 68120), (1310, 64844), (1508, 56330), (1703, 49880), (1720, 49387), (1885, 45064), (2236, 37990), (2494, 34060), (2620, 32422), (2795, 30392), (3016, 28165), (3406, 24940), (3770, 22532), (3799, 22360), (4472, 18995), (4988, 17030), (5240, 16211), (5590, 15196), (5633, 15080), (6235, 13624), (6812, 12470), (7540, 11266), (7598, 11180), (8515, 9976)]