31671810

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{641}}^1$

素因数の和:721

約数の個数: 80

約数和(自身を含む): 86693112

約数和(自身を除く): 55021302

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, 641, 810, 915, 1098, 1282, 1647, 1830, 1923, 2745, 3205, 3294, 3846, 4941, 5490, 5769, 6410, 8235, 9615, 9882, 11538, 16470, 17307, 19230, 24705, 28845, 34614, 39101, 49410, 51921, 57690, 78202, 86535, 103842, 117303, 173070, 195505, 234606, 259605, 351909, 391010, 519210, 586515, 703818, 1055727, 1173030, 1759545, 2111454, 3167181, 3519090, 5278635, 6334362, 10557270, 15835905, 31671810]

約数ペア:

[(1, 31671810), (2, 15835905), (3, 10557270), (5, 6334362), (6, 5278635), (9, 3519090), (10, 3167181), (15, 2111454), (18, 1759545), (27, 1173030), (30, 1055727), (45, 703818), (54, 586515), (61, 519210), (81, 391010), (90, 351909), (122, 259605), (135, 234606), (162, 195505), (183, 173070), (270, 117303), (305, 103842), (366, 86535), (405, 78202), (549, 57690), (610, 51921), (641, 49410), (810, 39101), (915, 34614), (1098, 28845), (1282, 24705), (1647, 19230), (1830, 17307), (1923, 16470), (2745, 11538), (3205, 9882), (3294, 9615), (3846, 8235), (4941, 6410), (5490, 5769)]