128809260

素因数分解:

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

素因数の和:3447

約数の個数: 72

約数和(自身を含む): 392595840

約数和(自身を除く): 263786580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 223, 446, 669, 892, 1115, 1338, 2007, 2230, 2676, 3209, 3345, 4014, 4460, 6418, 6690, 8028, 9627, 10035, 12836, 13380, 16045, 19254, 20070, 28881, 32090, 38508, 40140, 48135, 57762, 64180, 96270, 115524, 144405, 192540, 288810, 577620, 715607, 1431214, 2146821, 2862428, 3578035, 4293642, 6440463, 7156070, 8587284, 10734105, 12880926, 14312140, 21468210, 25761852, 32202315, 42936420, 64404630, 128809260]

約数ペア:

[(1, 128809260), (2, 64404630), (3, 42936420), (4, 32202315), (5, 25761852), (6, 21468210), (9, 14312140), (10, 12880926), (12, 10734105), (15, 8587284), (18, 7156070), (20, 6440463), (30, 4293642), (36, 3578035), (45, 2862428), (60, 2146821), (90, 1431214), (180, 715607), (223, 577620), (446, 288810), (669, 192540), (892, 144405), (1115, 115524), (1338, 96270), (2007, 64180), (2230, 57762), (2676, 48135), (3209, 40140), (3345, 38508), (4014, 32090), (4460, 28881), (6418, 20070), (6690, 19254), (8028, 16045), (9627, 13380), (10035, 12836)]