128806560

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{89449}}^1$

素因数の和:89470

約数の個数: 72

約数和(自身を含む): 439557300

約数和(自身を除く): 310750740

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 89449, 178898, 268347, 357796, 447245, 536694, 715592, 805041, 894490, 1073388, 1341735, 1431184, 1610082, 1788980, 2146776, 2683470, 2862368, 3220164, 3577960, 4025205, 4293552, 5366940, 6440328, 7155920, 8050410, 8587104, 10733880, 12880656, 14311840, 16100820, 21467760, 25761312, 32201640, 42935520, 64403280, 128806560]

約数ペア:

[(1, 128806560), (2, 64403280), (3, 42935520), (4, 32201640), (5, 25761312), (6, 21467760), (8, 16100820), (9, 14311840), (10, 12880656), (12, 10733880), (15, 8587104), (16, 8050410), (18, 7155920), (20, 6440328), (24, 5366940), (30, 4293552), (32, 4025205), (36, 3577960), (40, 3220164), (45, 2862368), (48, 2683470), (60, 2146776), (72, 1788980), (80, 1610082), (90, 1431184), (96, 1341735), (120, 1073388), (144, 894490), (160, 805041), (180, 715592), (240, 536694), (288, 447245), (360, 357796), (480, 268347), (720, 178898), (1440, 89449)]