662480

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{13}}^2$

素因数の和:53

約数の個数: 90

約数和(自身を含む): 1940166

約数和(自身を除く): 1277686

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 49, 52, 56, 65, 70, 80, 91, 98, 104, 112, 130, 140, 169, 182, 196, 208, 245, 260, 280, 338, 364, 392, 455, 490, 520, 560, 637, 676, 728, 784, 845, 910, 980, 1040, 1183, 1274, 1352, 1456, 1690, 1820, 1960, 2366, 2548, 2704, 3185, 3380, 3640, 3920, 4732, 5096, 5915, 6370, 6760, 7280, 8281, 9464, 10192, 11830, 12740, 13520, 16562, 18928, 23660, 25480, 33124, 41405, 47320, 50960, 66248, 82810, 94640, 132496, 165620, 331240, 662480]

約数ペア:

[(1, 662480), (2, 331240), (4, 165620), (5, 132496), (7, 94640), (8, 82810), (10, 66248), (13, 50960), (14, 47320), (16, 41405), (20, 33124), (26, 25480), (28, 23660), (35, 18928), (40, 16562), (49, 13520), (52, 12740), (56, 11830), (65, 10192), (70, 9464), (80, 8281), (91, 7280), (98, 6760), (104, 6370), (112, 5915), (130, 5096), (140, 4732), (169, 3920), (182, 3640), (196, 3380), (208, 3185), (245, 2704), (260, 2548), (280, 2366), (338, 1960), (364, 1820), (392, 1690), (455, 1456), (490, 1352), (520, 1274), (560, 1183), (637, 1040), (676, 980), (728, 910), (784, 845)]