641625480

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{77491}}^1$

素因数の和:77531

約数の個数: 96

約数和(自身を含む): 2175975360

約数和(自身を除く): 1534349880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 30, 36, 40, 45, 46, 60, 69, 72, 90, 92, 115, 120, 138, 180, 184, 207, 230, 276, 345, 360, 414, 460, 552, 690, 828, 920, 1035, 1380, 1656, 2070, 2760, 4140, 8280, 77491, 154982, 232473, 309964, 387455, 464946, 619928, 697419, 774910, 929892, 1162365, 1394838, 1549820, 1782293, 1859784, 2324730, 2789676, 3099640, 3487095, 3564586, 4649460, 5346879, 5579352, 6974190, 7129172, 8911465, 9298920, 10693758, 13948380, 14258344, 16040637, 17822930, 21387516, 26734395, 27896760, 32081274, 35645860, 42775032, 53468790, 64162548, 71291720, 80203185, 106937580, 128325096, 160406370, 213875160, 320812740, 641625480]

約数ペア:

[(1, 641625480), (2, 320812740), (3, 213875160), (4, 160406370), (5, 128325096), (6, 106937580), (8, 80203185), (9, 71291720), (10, 64162548), (12, 53468790), (15, 42775032), (18, 35645860), (20, 32081274), (23, 27896760), (24, 26734395), (30, 21387516), (36, 17822930), (40, 16040637), (45, 14258344), (46, 13948380), (60, 10693758), (69, 9298920), (72, 8911465), (90, 7129172), (92, 6974190), (115, 5579352), (120, 5346879), (138, 4649460), (180, 3564586), (184, 3487095), (207, 3099640), (230, 2789676), (276, 2324730), (345, 1859784), (360, 1782293), (414, 1549820), (460, 1394838), (552, 1162365), (690, 929892), (828, 774910), (920, 697419), (1035, 619928), (1380, 464946), (1656, 387455), (2070, 309964), (2760, 232473), (4140, 154982), (8280, 77491)]