81862140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{4721}}^1$

素因数の和:4767

約数の個数: 72

約数和(自身を含む): 243541872

約数和(自身を除く): 161679732

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 289, 340, 510, 578, 867, 1020, 1156, 1445, 1734, 2890, 3468, 4335, 4721, 5780, 8670, 9442, 14163, 17340, 18884, 23605, 28326, 47210, 56652, 70815, 80257, 94420, 141630, 160514, 240771, 283260, 321028, 401285, 481542, 802570, 963084, 1203855, 1364369, 1605140, 2407710, 2728738, 4093107, 4815420, 5457476, 6821845, 8186214, 13643690, 16372428, 20465535, 27287380, 40931070, 81862140]

約数ペア:

[(1, 81862140), (2, 40931070), (3, 27287380), (4, 20465535), (5, 16372428), (6, 13643690), (10, 8186214), (12, 6821845), (15, 5457476), (17, 4815420), (20, 4093107), (30, 2728738), (34, 2407710), (51, 1605140), (60, 1364369), (68, 1203855), (85, 963084), (102, 802570), (170, 481542), (204, 401285), (255, 321028), (289, 283260), (340, 240771), (510, 160514), (578, 141630), (867, 94420), (1020, 80257), (1156, 70815), (1445, 56652), (1734, 47210), (2890, 28326), (3468, 23605), (4335, 18884), (4721, 17340), (5780, 14163), (8670, 9442)]