64315760

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{131}}^1$

素因数の和:199

約数の個数: 120

約数和(自身を含む): 168377616

約数和(自身を除く): 104061856

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 34, 38, 40, 68, 76, 80, 85, 95, 131, 136, 152, 170, 190, 262, 272, 304, 323, 340, 361, 380, 524, 646, 655, 680, 722, 760, 1048, 1292, 1310, 1360, 1444, 1520, 1615, 1805, 2096, 2227, 2489, 2584, 2620, 2888, 3230, 3610, 4454, 4978, 5168, 5240, 5776, 6137, 6460, 7220, 8908, 9956, 10480, 11135, 12274, 12445, 12920, 14440, 17816, 19912, 22270, 24548, 24890, 25840, 28880, 30685, 35632, 39824, 42313, 44540, 47291, 49096, 49780, 61370, 84626, 89080, 94582, 98192, 99560, 122740, 169252, 178160, 189164, 199120, 211565, 236455, 245480, 338504, 378328, 423130, 472910, 490960, 677008, 756656, 803947, 846260, 945820, 1607894, 1692520, 1891640, 3215788, 3385040, 3783280, 4019735, 6431576, 8039470, 12863152, 16078940, 32157880, 64315760]

約数ペア:

[(1, 64315760), (2, 32157880), (4, 16078940), (5, 12863152), (8, 8039470), (10, 6431576), (16, 4019735), (17, 3783280), (19, 3385040), (20, 3215788), (34, 1891640), (38, 1692520), (40, 1607894), (68, 945820), (76, 846260), (80, 803947), (85, 756656), (95, 677008), (131, 490960), (136, 472910), (152, 423130), (170, 378328), (190, 338504), (262, 245480), (272, 236455), (304, 211565), (323, 199120), (340, 189164), (361, 178160), (380, 169252), (524, 122740), (646, 99560), (655, 98192), (680, 94582), (722, 89080), (760, 84626), (1048, 61370), (1292, 49780), (1310, 49096), (1360, 47291), (1444, 44540), (1520, 42313), (1615, 39824), (1805, 35632), (2096, 30685), (2227, 28880), (2489, 25840), (2584, 24890), (2620, 24548), (2888, 22270), (3230, 19912), (3610, 17816), (4454, 14440), (4978, 12920), (5168, 12445), (5240, 12274), (5776, 11135), (6137, 10480), (6460, 9956), (7220, 8908)]