51808080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1553}}^1$

素因数の和:1708

約数の個数: 80

約数和(自身を含む): 161864640

約数和(自身を除く): 110056560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 139, 240, 278, 417, 556, 695, 834, 1112, 1390, 1553, 1668, 2085, 2224, 2780, 3106, 3336, 4170, 4659, 5560, 6212, 6672, 7765, 8340, 9318, 11120, 12424, 15530, 16680, 18636, 23295, 24848, 31060, 33360, 37272, 46590, 62120, 74544, 93180, 124240, 186360, 215867, 372720, 431734, 647601, 863468, 1079335, 1295202, 1726936, 2158670, 2590404, 3238005, 3453872, 4317340, 5180808, 6476010, 8634680, 10361616, 12952020, 17269360, 25904040, 51808080]

約数ペア:

[(1, 51808080), (2, 25904040), (3, 17269360), (4, 12952020), (5, 10361616), (6, 8634680), (8, 6476010), (10, 5180808), (12, 4317340), (15, 3453872), (16, 3238005), (20, 2590404), (24, 2158670), (30, 1726936), (40, 1295202), (48, 1079335), (60, 863468), (80, 647601), (120, 431734), (139, 372720), (240, 215867), (278, 186360), (417, 124240), (556, 93180), (695, 74544), (834, 62120), (1112, 46590), (1390, 37272), (1553, 33360), (1668, 31060), (2085, 24848), (2224, 23295), (2780, 18636), (3106, 16680), (3336, 15530), (4170, 12424), (4659, 11120), (5560, 9318), (6212, 8340), (6672, 7765)]