260801580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{1399}}^1$

素因数の和:1663

約数の個数: 96

約数和(自身を含む): 790272000

約数和(自身を除く): 529470420

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 239, 260, 390, 478, 717, 780, 956, 1195, 1399, 1434, 2390, 2798, 2868, 3107, 3585, 4197, 4780, 5596, 6214, 6995, 7170, 8394, 9321, 12428, 13990, 14340, 15535, 16788, 18187, 18642, 20985, 27980, 31070, 36374, 37284, 41970, 46605, 54561, 62140, 72748, 83940, 90935, 93210, 109122, 181870, 186420, 218244, 272805, 334361, 363740, 545610, 668722, 1003083, 1091220, 1337444, 1671805, 2006166, 3343610, 4012332, 4346693, 5015415, 6687220, 8693386, 10030830, 13040079, 17386772, 20061660, 21733465, 26080158, 43466930, 52160316, 65200395, 86933860, 130400790, 260801580]

約数ペア:

[(1, 260801580), (2, 130400790), (3, 86933860), (4, 65200395), (5, 52160316), (6, 43466930), (10, 26080158), (12, 21733465), (13, 20061660), (15, 17386772), (20, 13040079), (26, 10030830), (30, 8693386), (39, 6687220), (52, 5015415), (60, 4346693), (65, 4012332), (78, 3343610), (130, 2006166), (156, 1671805), (195, 1337444), (239, 1091220), (260, 1003083), (390, 668722), (478, 545610), (717, 363740), (780, 334361), (956, 272805), (1195, 218244), (1399, 186420), (1434, 181870), (2390, 109122), (2798, 93210), (2868, 90935), (3107, 83940), (3585, 72748), (4197, 62140), (4780, 54561), (5596, 46605), (6214, 41970), (6995, 37284), (7170, 36374), (8394, 31070), (9321, 27980), (12428, 20985), (13990, 18642), (14340, 18187), (15535, 16788)]