31037220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{269}}^1\times {\mathrm{641}}^1$

素因数の和:925

約数の個数: 72

約数和(自身を含む): 94643640

約数和(自身を除く): 63606420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 269, 538, 641, 807, 1076, 1282, 1345, 1614, 1923, 2421, 2564, 2690, 3205, 3228, 3846, 4035, 4842, 5380, 5769, 6410, 7692, 8070, 9615, 9684, 11538, 12105, 12820, 16140, 19230, 23076, 24210, 28845, 38460, 48420, 57690, 115380, 172429, 344858, 517287, 689716, 862145, 1034574, 1551861, 1724290, 2069148, 2586435, 3103722, 3448580, 5172870, 6207444, 7759305, 10345740, 15518610, 31037220]

約数ペア:

[(1, 31037220), (2, 15518610), (3, 10345740), (4, 7759305), (5, 6207444), (6, 5172870), (9, 3448580), (10, 3103722), (12, 2586435), (15, 2069148), (18, 1724290), (20, 1551861), (30, 1034574), (36, 862145), (45, 689716), (60, 517287), (90, 344858), (180, 172429), (269, 115380), (538, 57690), (641, 48420), (807, 38460), (1076, 28845), (1282, 24210), (1345, 23076), (1614, 19230), (1923, 16140), (2421, 12820), (2564, 12105), (2690, 11538), (3205, 9684), (3228, 9615), (3846, 8070), (4035, 7692), (4842, 6410), (5380, 5769)]