27060520

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1$

素因数の和:338

約数の個数: 64

約数和(自身を含む): 63705600

約数和(自身を除く): 36645080

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 139, 155, 157, 248, 278, 310, 314, 556, 620, 628, 695, 785, 1112, 1240, 1256, 1390, 1570, 2780, 3140, 4309, 4867, 5560, 6280, 8618, 9734, 17236, 19468, 21545, 21823, 24335, 34472, 38936, 43090, 43646, 48670, 86180, 87292, 97340, 109115, 172360, 174584, 194680, 218230, 436460, 676513, 872920, 1353026, 2706052, 3382565, 5412104, 6765130, 13530260, 27060520]

約数ペア:

[(1, 27060520), (2, 13530260), (4, 6765130), (5, 5412104), (8, 3382565), (10, 2706052), (20, 1353026), (31, 872920), (40, 676513), (62, 436460), (124, 218230), (139, 194680), (155, 174584), (157, 172360), (248, 109115), (278, 97340), (310, 87292), (314, 86180), (556, 48670), (620, 43646), (628, 43090), (695, 38936), (785, 34472), (1112, 24335), (1240, 21823), (1256, 21545), (1390, 19468), (1570, 17236), (2780, 9734), (3140, 8618), (4309, 6280), (4867, 5560)]