248290440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{121711}}^1$

素因数の和:121742

約数の個数: 64

約数和(自身を含む): 788693760

約数和(自身を除く): 540403320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 121711, 243422, 365133, 486844, 608555, 730266, 973688, 1217110, 1460532, 1825665, 2069087, 2434220, 2921064, 3651330, 4138174, 4868440, 6207261, 7302660, 8276348, 10345435, 12414522, 14605320, 16552696, 20690870, 24829044, 31036305, 41381740, 49658088, 62072610, 82763480, 124145220, 248290440]

約数ペア:

[(1, 248290440), (2, 124145220), (3, 82763480), (4, 62072610), (5, 49658088), (6, 41381740), (8, 31036305), (10, 24829044), (12, 20690870), (15, 16552696), (17, 14605320), (20, 12414522), (24, 10345435), (30, 8276348), (34, 7302660), (40, 6207261), (51, 4868440), (60, 4138174), (68, 3651330), (85, 2921064), (102, 2434220), (120, 2069087), (136, 1825665), (170, 1460532), (204, 1217110), (255, 973688), (340, 730266), (408, 608555), (510, 486844), (680, 365133), (1020, 243422), (2040, 121711)]