80918175

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{557}}^1$

素因数の和:732

約数の個数: 48

約数和(自身を含む): 145303200

約数和(自身を除く): 64385025

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 149, 195, 325, 447, 557, 745, 975, 1671, 1937, 2235, 2785, 3725, 5811, 7241, 8355, 9685, 11175, 13925, 21723, 29055, 36205, 41775, 48425, 82993, 108615, 145275, 181025, 248979, 414965, 543075, 1078909, 1244895, 2074825, 3236727, 5394545, 6224475, 16183635, 26972725, 80918175]

約数ペア:

[(1, 80918175), (3, 26972725), (5, 16183635), (13, 6224475), (15, 5394545), (25, 3236727), (39, 2074825), (65, 1244895), (75, 1078909), (149, 543075), (195, 414965), (325, 248979), (447, 181025), (557, 145275), (745, 108615), (975, 82993), (1671, 48425), (1937, 41775), (2235, 36205), (2785, 29055), (3725, 21723), (5811, 13925), (7241, 11175), (8355, 9685)]