78873840

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{109547}}^1$

素因数の和:109566

約数の個数: 60

約数和(自身を含む): 264887064

約数和(自身を除く): 186013224

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 109547, 219094, 328641, 438188, 547735, 657282, 876376, 985923, 1095470, 1314564, 1643205, 1752752, 1971846, 2190940, 2629128, 3286410, 3943692, 4381880, 4929615, 5258256, 6572820, 7887384, 8763760, 9859230, 13145640, 15774768, 19718460, 26291280, 39436920, 78873840]

約数ペア:

[(1, 78873840), (2, 39436920), (3, 26291280), (4, 19718460), (5, 15774768), (6, 13145640), (8, 9859230), (9, 8763760), (10, 7887384), (12, 6572820), (15, 5258256), (16, 4929615), (18, 4381880), (20, 3943692), (24, 3286410), (30, 2629128), (36, 2190940), (40, 1971846), (45, 1752752), (48, 1643205), (60, 1314564), (72, 1095470), (80, 985923), (90, 876376), (120, 657282), (144, 547735), (180, 438188), (240, 328641), (360, 219094), (720, 109547)]