280161816

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{20023}}^1$

素因数の和:20096

約数の個数: 64

約数和(自身を含む): 778533120

約数和(自身を除く): 498371304

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 53, 66, 88, 106, 132, 159, 212, 264, 318, 424, 583, 636, 1166, 1272, 1749, 2332, 3498, 4664, 6996, 13992, 20023, 40046, 60069, 80092, 120138, 160184, 220253, 240276, 440506, 480552, 660759, 881012, 1061219, 1321518, 1762024, 2122438, 2643036, 3183657, 4244876, 5286072, 6367314, 8489752, 11673409, 12734628, 23346818, 25469256, 35020227, 46693636, 70040454, 93387272, 140080908, 280161816]

約数ペア:

[(1, 280161816), (2, 140080908), (3, 93387272), (4, 70040454), (6, 46693636), (8, 35020227), (11, 25469256), (12, 23346818), (22, 12734628), (24, 11673409), (33, 8489752), (44, 6367314), (53, 5286072), (66, 4244876), (88, 3183657), (106, 2643036), (132, 2122438), (159, 1762024), (212, 1321518), (264, 1061219), (318, 881012), (424, 660759), (583, 480552), (636, 440506), (1166, 240276), (1272, 220253), (1749, 160184), (2332, 120138), (3498, 80092), (4664, 60069), (6996, 40046), (13992, 20023)]