12890520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{587}}^1$

素因数の和:665

約数の個数: 96

約数和(自身を含む): 42653520

約数和(自身を除く): 29763000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 61, 72, 90, 120, 122, 180, 183, 244, 305, 360, 366, 488, 549, 587, 610, 732, 915, 1098, 1174, 1220, 1464, 1761, 1830, 2196, 2348, 2440, 2745, 2935, 3522, 3660, 4392, 4696, 5283, 5490, 5870, 7044, 7320, 8805, 10566, 10980, 11740, 14088, 17610, 21132, 21960, 23480, 26415, 35220, 35807, 42264, 52830, 70440, 71614, 105660, 107421, 143228, 179035, 211320, 214842, 286456, 322263, 358070, 429684, 537105, 644526, 716140, 859368, 1074210, 1289052, 1432280, 1611315, 2148420, 2578104, 3222630, 4296840, 6445260, 12890520]

約数ペア:

[(1, 12890520), (2, 6445260), (3, 4296840), (4, 3222630), (5, 2578104), (6, 2148420), (8, 1611315), (9, 1432280), (10, 1289052), (12, 1074210), (15, 859368), (18, 716140), (20, 644526), (24, 537105), (30, 429684), (36, 358070), (40, 322263), (45, 286456), (60, 214842), (61, 211320), (72, 179035), (90, 143228), (120, 107421), (122, 105660), (180, 71614), (183, 70440), (244, 52830), (305, 42264), (360, 35807), (366, 35220), (488, 26415), (549, 23480), (587, 21960), (610, 21132), (732, 17610), (915, 14088), (1098, 11740), (1174, 10980), (1220, 10566), (1464, 8805), (1761, 7320), (1830, 7044), (2196, 5870), (2348, 5490), (2440, 5283), (2745, 4696), (2935, 4392), (3522, 3660)]