31520340

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{19457}}^1$

素因数の和:19478

約数の個数: 60

約数和(自身を含む): 98885556

約数和(自身を除く): 67365216

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 19457, 38914, 58371, 77828, 97285, 116742, 175113, 194570, 233484, 291855, 350226, 389140, 525339, 583710, 700452, 875565, 1050678, 1167420, 1576017, 1751130, 2101356, 2626695, 3152034, 3502260, 5253390, 6304068, 7880085, 10506780, 15760170, 31520340]

約数ペア:

[(1, 31520340), (2, 15760170), (3, 10506780), (4, 7880085), (5, 6304068), (6, 5253390), (9, 3502260), (10, 3152034), (12, 2626695), (15, 2101356), (18, 1751130), (20, 1576017), (27, 1167420), (30, 1050678), (36, 875565), (45, 700452), (54, 583710), (60, 525339), (81, 389140), (90, 350226), (108, 291855), (135, 233484), (162, 194570), (180, 175113), (270, 116742), (324, 97285), (405, 77828), (540, 58371), (810, 38914), (1620, 19457)]