1285560

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{3571}}^1$

素因数の和:3588

約数の個数: 48

約数和(自身を含む): 4179240

約数和(自身を除く): 2893680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 3571, 7142, 10713, 14284, 17855, 21426, 28568, 32139, 35710, 42852, 53565, 64278, 71420, 85704, 107130, 128556, 142840, 160695, 214260, 257112, 321390, 428520, 642780, 1285560]

約数ペア:

[(1, 1285560), (2, 642780), (3, 428520), (4, 321390), (5, 257112), (6, 214260), (8, 160695), (9, 142840), (10, 128556), (12, 107130), (15, 85704), (18, 71420), (20, 64278), (24, 53565), (30, 42852), (36, 35710), (40, 32139), (45, 28568), (60, 21426), (72, 17855), (90, 14284), (120, 10713), (180, 7142), (360, 3571)]