2578531440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{631993}}^1$

素因数の和:632026

約数の個数: 80

約数和(自身を含む): 8463663648

約数和(自身を除く): 5885132208

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 136, 170, 204, 240, 255, 272, 340, 408, 510, 680, 816, 1020, 1360, 2040, 4080, 631993, 1263986, 1895979, 2527972, 3159965, 3791958, 5055944, 6319930, 7583916, 9479895, 10111888, 10743881, 12639860, 15167832, 18959790, 21487762, 25279720, 30335664, 32231643, 37919580, 42975524, 50559440, 53719405, 64463286, 75839160, 85951048, 107438810, 128926572, 151678320, 161158215, 171902096, 214877620, 257853144, 322316430, 429755240, 515706288, 644632860, 859510480, 1289265720, 2578531440]

約数ペア:

[(1, 2578531440), (2, 1289265720), (3, 859510480), (4, 644632860), (5, 515706288), (6, 429755240), (8, 322316430), (10, 257853144), (12, 214877620), (15, 171902096), (16, 161158215), (17, 151678320), (20, 128926572), (24, 107438810), (30, 85951048), (34, 75839160), (40, 64463286), (48, 53719405), (51, 50559440), (60, 42975524), (68, 37919580), (80, 32231643), (85, 30335664), (102, 25279720), (120, 21487762), (136, 18959790), (170, 15167832), (204, 12639860), (240, 10743881), (255, 10111888), (272, 9479895), (340, 7583916), (408, 6319930), (510, 5055944), (680, 3791958), (816, 3159965), (1020, 2527972), (1360, 1895979), (2040, 1263986), (4080, 631993)]