161694680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{677}}^1\times {\mathrm{853}}^1$

素因数の和:1548

約数の個数: 64

約数和(自身を含む): 416888640

約数和(自身を除く): 255193960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 677, 853, 1354, 1706, 2708, 3385, 3412, 4265, 4739, 5416, 5971, 6770, 6824, 8530, 9478, 11942, 13540, 17060, 18956, 23695, 23884, 27080, 29855, 34120, 37912, 47390, 47768, 59710, 94780, 119420, 189560, 238840, 577481, 1154962, 2309924, 2887405, 4042367, 4619848, 5774810, 8084734, 11549620, 16169468, 20211835, 23099240, 32338936, 40423670, 80847340, 161694680]

約数ペア:

[(1, 161694680), (2, 80847340), (4, 40423670), (5, 32338936), (7, 23099240), (8, 20211835), (10, 16169468), (14, 11549620), (20, 8084734), (28, 5774810), (35, 4619848), (40, 4042367), (56, 2887405), (70, 2309924), (140, 1154962), (280, 577481), (677, 238840), (853, 189560), (1354, 119420), (1706, 94780), (2708, 59710), (3385, 47768), (3412, 47390), (4265, 37912), (4739, 34120), (5416, 29855), (5971, 27080), (6770, 23884), (6824, 23695), (8530, 18956), (9478, 17060), (11942, 13540)]