2805020280

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{865747}}^1$

素因数の和:865770

約数の個数: 80

約数和(自身を含む): 9427995720

約数和(自身を除く): 6622975440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 540, 648, 810, 1080, 1620, 3240, 865747, 1731494, 2597241, 3462988, 4328735, 5194482, 6925976, 7791723, 8657470, 10388964, 12986205, 15583446, 17314940, 20777928, 23375169, 25972410, 31166892, 34629880, 38958615, 46750338, 51944820, 62333784, 70125507, 77917230, 93500676, 103889640, 116875845, 140251014, 155834460, 187001352, 233751690, 280502028, 311668920, 350627535, 467503380, 561004056, 701255070, 935006760, 1402510140, 2805020280]

約数ペア:

[(1, 2805020280), (2, 1402510140), (3, 935006760), (4, 701255070), (5, 561004056), (6, 467503380), (8, 350627535), (9, 311668920), (10, 280502028), (12, 233751690), (15, 187001352), (18, 155834460), (20, 140251014), (24, 116875845), (27, 103889640), (30, 93500676), (36, 77917230), (40, 70125507), (45, 62333784), (54, 51944820), (60, 46750338), (72, 38958615), (81, 34629880), (90, 31166892), (108, 25972410), (120, 23375169), (135, 20777928), (162, 17314940), (180, 15583446), (216, 12986205), (270, 10388964), (324, 8657470), (360, 7791723), (405, 6925976), (540, 5194482), (648, 4328735), (810, 3462988), (1080, 2597241), (1620, 1731494), (3240, 865747)]