80071860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{121321}}^1$

素因数の和:121344

約数の個数: 48

約数和(自身を含む): 244585152

約数和(自身を除く): 164513292

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 121321, 242642, 363963, 485284, 606605, 727926, 1213210, 1334531, 1455852, 1819815, 2426420, 2669062, 3639630, 4003593, 5338124, 6672655, 7279260, 8007186, 13345310, 16014372, 20017965, 26690620, 40035930, 80071860]

約数ペア:

[(1, 80071860), (2, 40035930), (3, 26690620), (4, 20017965), (5, 16014372), (6, 13345310), (10, 8007186), (11, 7279260), (12, 6672655), (15, 5338124), (20, 4003593), (22, 3639630), (30, 2669062), (33, 2426420), (44, 1819815), (55, 1455852), (60, 1334531), (66, 1213210), (110, 727926), (132, 606605), (165, 485284), (220, 363963), (330, 242642), (660, 121321)]