217415640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139369}}^1$

素因数の和:139396

約数の個数: 64

約数和(自身を含む): 702424800

約数和(自身を除く): 485009160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 139369, 278738, 418107, 557476, 696845, 836214, 1114952, 1393690, 1672428, 1811797, 2090535, 2787380, 3344856, 3623594, 4181070, 5435391, 5574760, 7247188, 8362140, 9058985, 10870782, 14494376, 16724280, 18117970, 21741564, 27176955, 36235940, 43483128, 54353910, 72471880, 108707820, 217415640]

約数ペア:

[(1, 217415640), (2, 108707820), (3, 72471880), (4, 54353910), (5, 43483128), (6, 36235940), (8, 27176955), (10, 21741564), (12, 18117970), (13, 16724280), (15, 14494376), (20, 10870782), (24, 9058985), (26, 8362140), (30, 7247188), (39, 5574760), (40, 5435391), (52, 4181070), (60, 3623594), (65, 3344856), (78, 2787380), (104, 2090535), (120, 1811797), (130, 1672428), (156, 1393690), (195, 1114952), (260, 836214), (312, 696845), (390, 557476), (520, 418107), (780, 278738), (1560, 139369)]