257618520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{3209}}^1$

素因数の和:3449

約数の個数: 96

約数和(自身を含む): 841276800

約数和(自身を除く): 583658280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 223, 360, 446, 669, 892, 1115, 1338, 1784, 2007, 2230, 2676, 3209, 3345, 4014, 4460, 5352, 6418, 6690, 8028, 8920, 9627, 10035, 12836, 13380, 16045, 16056, 19254, 20070, 25672, 26760, 28881, 32090, 38508, 40140, 48135, 57762, 64180, 77016, 80280, 96270, 115524, 128360, 144405, 192540, 231048, 288810, 385080, 577620, 715607, 1155240, 1431214, 2146821, 2862428, 3578035, 4293642, 5724856, 6440463, 7156070, 8587284, 10734105, 12880926, 14312140, 17174568, 21468210, 25761852, 28624280, 32202315, 42936420, 51523704, 64404630, 85872840, 128809260, 257618520]

約数ペア:

[(1, 257618520), (2, 128809260), (3, 85872840), (4, 64404630), (5, 51523704), (6, 42936420), (8, 32202315), (9, 28624280), (10, 25761852), (12, 21468210), (15, 17174568), (18, 14312140), (20, 12880926), (24, 10734105), (30, 8587284), (36, 7156070), (40, 6440463), (45, 5724856), (60, 4293642), (72, 3578035), (90, 2862428), (120, 2146821), (180, 1431214), (223, 1155240), (360, 715607), (446, 577620), (669, 385080), (892, 288810), (1115, 231048), (1338, 192540), (1784, 144405), (2007, 128360), (2230, 115524), (2676, 96270), (3209, 80280), (3345, 77016), (4014, 64180), (4460, 57762), (5352, 48135), (6418, 40140), (6690, 38508), (8028, 32090), (8920, 28881), (9627, 26760), (10035, 25672), (12836, 20070), (13380, 19254), (16045, 16056)]