1290429720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{155849}}^1$

素因数の和:155889

約数の個数: 96

約数和(自身を含む): 4376268000

約数和(自身を除く): 3085838280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 30, 36, 40, 45, 46, 60, 69, 72, 90, 92, 115, 120, 138, 180, 184, 207, 230, 276, 345, 360, 414, 460, 552, 690, 828, 920, 1035, 1380, 1656, 2070, 2760, 4140, 8280, 155849, 311698, 467547, 623396, 779245, 935094, 1246792, 1402641, 1558490, 1870188, 2337735, 2805282, 3116980, 3584527, 3740376, 4675470, 5610564, 6233960, 7013205, 7169054, 9350940, 10753581, 11221128, 14026410, 14338108, 17922635, 18701880, 21507162, 28052820, 28676216, 32260743, 35845270, 43014324, 53767905, 56105640, 64521486, 71690540, 86028648, 107535810, 129042972, 143381080, 161303715, 215071620, 258085944, 322607430, 430143240, 645214860, 1290429720]

約数ペア:

[(1, 1290429720), (2, 645214860), (3, 430143240), (4, 322607430), (5, 258085944), (6, 215071620), (8, 161303715), (9, 143381080), (10, 129042972), (12, 107535810), (15, 86028648), (18, 71690540), (20, 64521486), (23, 56105640), (24, 53767905), (30, 43014324), (36, 35845270), (40, 32260743), (45, 28676216), (46, 28052820), (60, 21507162), (69, 18701880), (72, 17922635), (90, 14338108), (92, 14026410), (115, 11221128), (120, 10753581), (138, 9350940), (180, 7169054), (184, 7013205), (207, 6233960), (230, 5610564), (276, 4675470), (345, 3740376), (360, 3584527), (414, 3116980), (460, 2805282), (552, 2337735), (690, 1870188), (828, 1558490), (920, 1402641), (1035, 1246792), (1380, 935094), (1656, 779245), (2070, 623396), (2760, 467547), (4140, 311698), (8280, 155849)]