12456800

素因数分解:

$2^5\times 5^2\times {\mathrm{23}}^1\times {\mathrm{677}}^1$

素因数の和:720

約数の個数: 72

約数和(自身を含む): 31779216

約数和(自身を除く): 19322416

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 32, 40, 46, 50, 80, 92, 100, 115, 160, 184, 200, 230, 368, 400, 460, 575, 677, 736, 800, 920, 1150, 1354, 1840, 2300, 2708, 3385, 3680, 4600, 5416, 6770, 9200, 10832, 13540, 15571, 16925, 18400, 21664, 27080, 31142, 33850, 54160, 62284, 67700, 77855, 108320, 124568, 135400, 155710, 249136, 270800, 311420, 389275, 498272, 541600, 622840, 778550, 1245680, 1557100, 2491360, 3114200, 6228400, 12456800]

約数ペア:

[(1, 12456800), (2, 6228400), (4, 3114200), (5, 2491360), (8, 1557100), (10, 1245680), (16, 778550), (20, 622840), (23, 541600), (25, 498272), (32, 389275), (40, 311420), (46, 270800), (50, 249136), (80, 155710), (92, 135400), (100, 124568), (115, 108320), (160, 77855), (184, 67700), (200, 62284), (230, 54160), (368, 33850), (400, 31142), (460, 27080), (575, 21664), (677, 18400), (736, 16925), (800, 15571), (920, 13540), (1150, 10832), (1354, 9200), (1840, 6770), (2300, 5416), (2708, 4600), (3385, 3680)]