1880555880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{2238757}}^1$

素因数の和:2238778

約数の個数: 64

約数和(自身を含む): 6447623040

約数和(自身を除く): 4567067160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 2238757, 4477514, 6716271, 8955028, 11193785, 13432542, 15671299, 17910056, 22387570, 26865084, 31342598, 33581355, 44775140, 47013897, 53730168, 62685196, 67162710, 78356495, 89550280, 94027794, 125370392, 134325420, 156712990, 188055588, 235069485, 268650840, 313425980, 376111176, 470138970, 626851960, 940277940, 1880555880]

約数ペア:

[(1, 1880555880), (2, 940277940), (3, 626851960), (4, 470138970), (5, 376111176), (6, 313425980), (7, 268650840), (8, 235069485), (10, 188055588), (12, 156712990), (14, 134325420), (15, 125370392), (20, 94027794), (21, 89550280), (24, 78356495), (28, 67162710), (30, 62685196), (35, 53730168), (40, 47013897), (42, 44775140), (56, 33581355), (60, 31342598), (70, 26865084), (84, 22387570), (105, 17910056), (120, 15671299), (140, 13432542), (168, 11193785), (210, 8955028), (280, 6716271), (420, 4477514), (840, 2238757)]