257061780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{269}}^1\times {\mathrm{5309}}^1$

素因数の和:5593

約数の個数: 72

約数和(自身を含む): 782800200

約数和(自身を除く): 525738420

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, 2421, 2690, 3228, 4035, 4842, 5309, 5380, 8070, 9684, 10618, 12105, 15927, 16140, 21236, 24210, 26545, 31854, 47781, 48420, 53090, 63708, 79635, 95562, 106180, 159270, 191124, 238905, 318540, 477810, 955620, 1428121, 2856242, 4284363, 5712484, 7140605, 8568726, 12853089, 14281210, 17137452, 21421815, 25706178, 28562420, 42843630, 51412356, 64265445, 85687260, 128530890, 257061780]

約数ペア:

[(1, 257061780), (2, 128530890), (3, 85687260), (4, 64265445), (5, 51412356), (6, 42843630), (9, 28562420), (10, 25706178), (12, 21421815), (15, 17137452), (18, 14281210), (20, 12853089), (30, 8568726), (36, 7140605), (45, 5712484), (60, 4284363), (90, 2856242), (180, 1428121), (269, 955620), (538, 477810), (807, 318540), (1076, 238905), (1345, 191124), (1614, 159270), (2421, 106180), (2690, 95562), (3228, 79635), (4035, 63708), (4842, 53090), (5309, 48420), (5380, 47781), (8070, 31854), (9684, 26545), (10618, 24210), (12105, 21236), (15927, 16140)]