72541720

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{997}}^1$

素因数の和:1132

約数の個数: 64

約数和(自身を含む): 174610080

約数和(自身を除く): 102068360

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 107, 136, 170, 214, 340, 428, 535, 680, 856, 997, 1070, 1819, 1994, 2140, 3638, 3988, 4280, 4985, 7276, 7976, 9095, 9970, 14552, 16949, 18190, 19940, 33898, 36380, 39880, 67796, 72760, 84745, 106679, 135592, 169490, 213358, 338980, 426716, 533395, 677960, 853432, 1066790, 1813543, 2133580, 3627086, 4267160, 7254172, 9067715, 14508344, 18135430, 36270860, 72541720]

約数ペア:

[(1, 72541720), (2, 36270860), (4, 18135430), (5, 14508344), (8, 9067715), (10, 7254172), (17, 4267160), (20, 3627086), (34, 2133580), (40, 1813543), (68, 1066790), (85, 853432), (107, 677960), (136, 533395), (170, 426716), (214, 338980), (340, 213358), (428, 169490), (535, 135592), (680, 106679), (856, 84745), (997, 72760), (1070, 67796), (1819, 39880), (1994, 36380), (2140, 33898), (3638, 19940), (3988, 18190), (4280, 16949), (4985, 14552), (7276, 9970), (7976, 9095)]