1720235070

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{2123747}}^1$

素因数の和:2123766

約数の個数: 40

約数和(自身を含む): 4625523144

約数和(自身を除く): 2905288074

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 2123747, 4247494, 6371241, 10618735, 12742482, 19113723, 21237470, 31856205, 38227446, 57341169, 63712410, 95568615, 114682338, 172023507, 191137230, 286705845, 344047014, 573411690, 860117535, 1720235070]

約数ペア:

[(1, 1720235070), (2, 860117535), (3, 573411690), (5, 344047014), (6, 286705845), (9, 191137230), (10, 172023507), (15, 114682338), (18, 95568615), (27, 63712410), (30, 57341169), (45, 38227446), (54, 31856205), (81, 21237470), (90, 19113723), (135, 12742482), (162, 10618735), (270, 6371241), (405, 4247494), (810, 2123747)]