1296880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1$

素因数の和:98

約数の個数: 80

約数和(自身を含む): 3437280

約数和(自身を除く): 2140400

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 29, 40, 43, 52, 58, 65, 80, 86, 104, 116, 130, 145, 172, 208, 215, 232, 260, 290, 344, 377, 430, 464, 520, 559, 580, 688, 754, 860, 1040, 1118, 1160, 1247, 1508, 1720, 1885, 2236, 2320, 2494, 2795, 3016, 3440, 3770, 4472, 4988, 5590, 6032, 6235, 7540, 8944, 9976, 11180, 12470, 15080, 16211, 19952, 22360, 24940, 30160, 32422, 44720, 49880, 64844, 81055, 99760, 129688, 162110, 259376, 324220, 648440, 1296880]

約数ペア:

[(1, 1296880), (2, 648440), (4, 324220), (5, 259376), (8, 162110), (10, 129688), (13, 99760), (16, 81055), (20, 64844), (26, 49880), (29, 44720), (40, 32422), (43, 30160), (52, 24940), (58, 22360), (65, 19952), (80, 16211), (86, 15080), (104, 12470), (116, 11180), (130, 9976), (145, 8944), (172, 7540), (208, 6235), (215, 6032), (232, 5590), (260, 4988), (290, 4472), (344, 3770), (377, 3440), (430, 3016), (464, 2795), (520, 2494), (559, 2320), (580, 2236), (688, 1885), (754, 1720), (860, 1508), (1040, 1247), (1118, 1160)]