257975160

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{113147}}^1$

素因数の和:113180

約数の個数: 64

約数和(自身を含む): 814665600

約数和(自身を除く): 556690440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 285, 380, 456, 570, 760, 1140, 2280, 113147, 226294, 339441, 452588, 565735, 678882, 905176, 1131470, 1357764, 1697205, 2149793, 2262940, 2715528, 3394410, 4299586, 4525880, 6449379, 6788820, 8599172, 10748965, 12898758, 13577640, 17198344, 21497930, 25797516, 32246895, 42995860, 51595032, 64493790, 85991720, 128987580, 257975160]

約数ペア:

[(1, 257975160), (2, 128987580), (3, 85991720), (4, 64493790), (5, 51595032), (6, 42995860), (8, 32246895), (10, 25797516), (12, 21497930), (15, 17198344), (19, 13577640), (20, 12898758), (24, 10748965), (30, 8599172), (38, 6788820), (40, 6449379), (57, 4525880), (60, 4299586), (76, 3394410), (95, 2715528), (114, 2262940), (120, 2149793), (152, 1697205), (190, 1357764), (228, 1131470), (285, 905176), (380, 678882), (456, 565735), (570, 452588), (760, 339441), (1140, 226294), (2280, 113147)]