31401480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23789}}^1$

素因数の和:23814

約数の個数: 64

約数和(自身を含む): 102772800

約数和(自身を除く): 71371320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 660, 1320, 23789, 47578, 71367, 95156, 118945, 142734, 190312, 237890, 261679, 285468, 356835, 475780, 523358, 570936, 713670, 785037, 951560, 1046716, 1308395, 1427340, 1570074, 2093432, 2616790, 2854680, 3140148, 3925185, 5233580, 6280296, 7850370, 10467160, 15700740, 31401480]

約数ペア:

[(1, 31401480), (2, 15700740), (3, 10467160), (4, 7850370), (5, 6280296), (6, 5233580), (8, 3925185), (10, 3140148), (11, 2854680), (12, 2616790), (15, 2093432), (20, 1570074), (22, 1427340), (24, 1308395), (30, 1046716), (33, 951560), (40, 785037), (44, 713670), (55, 570936), (60, 523358), (66, 475780), (88, 356835), (110, 285468), (120, 261679), (132, 237890), (165, 190312), (220, 142734), (264, 118945), (330, 95156), (440, 71367), (660, 47578), (1320, 23789)]