66472020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{2819}}^1$

素因数の和:2965

約数の個数: 72

約数和(自身を含む): 203243040

約数和(自身を除く): 136771020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 131, 180, 262, 393, 524, 655, 786, 1179, 1310, 1572, 1965, 2358, 2620, 2819, 3930, 4716, 5638, 5895, 7860, 8457, 11276, 11790, 14095, 16914, 23580, 25371, 28190, 33828, 42285, 50742, 56380, 84570, 101484, 126855, 169140, 253710, 369289, 507420, 738578, 1107867, 1477156, 1846445, 2215734, 3323601, 3692890, 4431468, 5539335, 6647202, 7385780, 11078670, 13294404, 16618005, 22157340, 33236010, 66472020]

約数ペア:

[(1, 66472020), (2, 33236010), (3, 22157340), (4, 16618005), (5, 13294404), (6, 11078670), (9, 7385780), (10, 6647202), (12, 5539335), (15, 4431468), (18, 3692890), (20, 3323601), (30, 2215734), (36, 1846445), (45, 1477156), (60, 1107867), (90, 738578), (131, 507420), (180, 369289), (262, 253710), (393, 169140), (524, 126855), (655, 101484), (786, 84570), (1179, 56380), (1310, 50742), (1572, 42285), (1965, 33828), (2358, 28190), (2620, 25371), (2819, 23580), (3930, 16914), (4716, 14095), (5638, 11790), (5895, 11276), (7860, 8457)]