256436280

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{79147}}^1$

素因数の和:79170

約数の個数: 80

約数和(自身を含む): 861921720

約数和(自身を除く): 605485440

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, 79147, 158294, 237441, 316588, 395735, 474882, 633176, 712323, 791470, 949764, 1187205, 1424646, 1582940, 1899528, 2136969, 2374410, 2849292, 3165880, 3561615, 4273938, 4748820, 5698584, 6410907, 7123230, 8547876, 9497640, 10684845, 12821814, 14246460, 17095752, 21369690, 25643628, 28492920, 32054535, 42739380, 51287256, 64109070, 85478760, 128218140, 256436280]

約数ペア:

[(1, 256436280), (2, 128218140), (3, 85478760), (4, 64109070), (5, 51287256), (6, 42739380), (8, 32054535), (9, 28492920), (10, 25643628), (12, 21369690), (15, 17095752), (18, 14246460), (20, 12821814), (24, 10684845), (27, 9497640), (30, 8547876), (36, 7123230), (40, 6410907), (45, 5698584), (54, 4748820), (60, 4273938), (72, 3561615), (81, 3165880), (90, 2849292), (108, 2374410), (120, 2136969), (135, 1899528), (162, 1582940), (180, 1424646), (216, 1187205), (270, 949764), (324, 791470), (360, 712323), (405, 633176), (540, 474882), (648, 395735), (810, 316588), (1080, 237441), (1620, 158294), (3240, 79147)]