80522460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{269}}^1\times {\mathrm{1663}}^1$

素因数の和:1947

約数の個数: 72

約数和(自身を含む): 245306880

約数和(自身を除く): 164784420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 269, 538, 807, 1076, 1345, 1614, 1663, 2421, 2690, 3228, 3326, 4035, 4842, 4989, 5380, 6652, 8070, 8315, 9684, 9978, 12105, 14967, 16140, 16630, 19956, 24210, 24945, 29934, 33260, 48420, 49890, 59868, 74835, 99780, 149670, 299340, 447347, 894694, 1342041, 1789388, 2236735, 2684082, 4026123, 4473470, 5368164, 6710205, 8052246, 8946940, 13420410, 16104492, 20130615, 26840820, 40261230, 80522460]

約数ペア:

[(1, 80522460), (2, 40261230), (3, 26840820), (4, 20130615), (5, 16104492), (6, 13420410), (9, 8946940), (10, 8052246), (12, 6710205), (15, 5368164), (18, 4473470), (20, 4026123), (30, 2684082), (36, 2236735), (45, 1789388), (60, 1342041), (90, 894694), (180, 447347), (269, 299340), (538, 149670), (807, 99780), (1076, 74835), (1345, 59868), (1614, 49890), (1663, 48420), (2421, 33260), (2690, 29934), (3228, 24945), (3326, 24210), (4035, 19956), (4842, 16630), (4989, 16140), (5380, 14967), (6652, 12105), (8070, 9978), (8315, 9684)]