1078980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{367}}^1$

素因数の和:393

約数の個数: 72

約数和(自身を含む): 3523968

約数和(自身を除く): 2444988

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 367, 420, 490, 588, 734, 735, 980, 1101, 1468, 1470, 1835, 2202, 2569, 2940, 3670, 4404, 5138, 5505, 7340, 7707, 10276, 11010, 12845, 15414, 17983, 22020, 25690, 30828, 35966, 38535, 51380, 53949, 71932, 77070, 89915, 107898, 154140, 179830, 215796, 269745, 359660, 539490, 1078980]

約数ペア:

[(1, 1078980), (2, 539490), (3, 359660), (4, 269745), (5, 215796), (6, 179830), (7, 154140), (10, 107898), (12, 89915), (14, 77070), (15, 71932), (20, 53949), (21, 51380), (28, 38535), (30, 35966), (35, 30828), (42, 25690), (49, 22020), (60, 17983), (70, 15414), (84, 12845), (98, 11010), (105, 10276), (140, 7707), (147, 7340), (196, 5505), (210, 5138), (245, 4404), (294, 3670), (367, 2940), (420, 2569), (490, 2202), (588, 1835), (734, 1470), (735, 1468), (980, 1101)]