31968270

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{647}}^1$

素因数の和:727

約数の個数: 80

約数和(自身を含む): 87503328

約数和(自身を除く): 55535058

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 61, 81, 90, 122, 135, 162, 183, 270, 305, 366, 405, 549, 610, 647, 810, 915, 1098, 1294, 1647, 1830, 1941, 2745, 3235, 3294, 3882, 4941, 5490, 5823, 6470, 8235, 9705, 9882, 11646, 16470, 17469, 19410, 24705, 29115, 34938, 39467, 49410, 52407, 58230, 78934, 87345, 104814, 118401, 174690, 197335, 236802, 262035, 355203, 394670, 524070, 592005, 710406, 1065609, 1184010, 1776015, 2131218, 3196827, 3552030, 5328045, 6393654, 10656090, 15984135, 31968270]

約数ペア:

[(1, 31968270), (2, 15984135), (3, 10656090), (5, 6393654), (6, 5328045), (9, 3552030), (10, 3196827), (15, 2131218), (18, 1776015), (27, 1184010), (30, 1065609), (45, 710406), (54, 592005), (61, 524070), (81, 394670), (90, 355203), (122, 262035), (135, 236802), (162, 197335), (183, 174690), (270, 118401), (305, 104814), (366, 87345), (405, 78934), (549, 58230), (610, 52407), (647, 49410), (810, 39467), (915, 34938), (1098, 29115), (1294, 24705), (1647, 19410), (1830, 17469), (1941, 16470), (2745, 11646), (3235, 9882), (3294, 9705), (3882, 8235), (4941, 6470), (5490, 5823)]