128478360

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{20201}}^1$

素因数の和:20268

約数の個数: 64

約数和(自身を含む): 392726880

約数和(自身を除く): 264248520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 53, 60, 106, 120, 159, 212, 265, 318, 424, 530, 636, 795, 1060, 1272, 1590, 2120, 3180, 6360, 20201, 40402, 60603, 80804, 101005, 121206, 161608, 202010, 242412, 303015, 404020, 484824, 606030, 808040, 1070653, 1212060, 2141306, 2424120, 3211959, 4282612, 5353265, 6423918, 8565224, 10706530, 12847836, 16059795, 21413060, 25695672, 32119590, 42826120, 64239180, 128478360]

約数ペア:

[(1, 128478360), (2, 64239180), (3, 42826120), (4, 32119590), (5, 25695672), (6, 21413060), (8, 16059795), (10, 12847836), (12, 10706530), (15, 8565224), (20, 6423918), (24, 5353265), (30, 4282612), (40, 3211959), (53, 2424120), (60, 2141306), (106, 1212060), (120, 1070653), (159, 808040), (212, 606030), (265, 484824), (318, 404020), (424, 303015), (530, 242412), (636, 202010), (795, 161608), (1060, 121206), (1272, 101005), (1590, 80804), (2120, 60603), (3180, 40402), (6360, 20201)]