81801504

素因数分解:

$2^5\times 3^2\times {\mathrm{439}}^1\times {\mathrm{647}}^1$

素因数の和:1102

約数の個数: 72

約数和(自身を含む): 233513280

約数和(自身を除く): 151711776

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 439, 647, 878, 1294, 1317, 1756, 1941, 2588, 2634, 3512, 3882, 3951, 5176, 5268, 5823, 7024, 7764, 7902, 10352, 10536, 11646, 14048, 15528, 15804, 20704, 21072, 23292, 31056, 31608, 42144, 46584, 62112, 63216, 93168, 126432, 186336, 284033, 568066, 852099, 1136132, 1704198, 2272264, 2556297, 3408396, 4544528, 5112594, 6816792, 9089056, 10225188, 13633584, 20450376, 27267168, 40900752, 81801504]

約数ペア:

[(1, 81801504), (2, 40900752), (3, 27267168), (4, 20450376), (6, 13633584), (8, 10225188), (9, 9089056), (12, 6816792), (16, 5112594), (18, 4544528), (24, 3408396), (32, 2556297), (36, 2272264), (48, 1704198), (72, 1136132), (96, 852099), (144, 568066), (288, 284033), (439, 186336), (647, 126432), (878, 93168), (1294, 63216), (1317, 62112), (1756, 46584), (1941, 42144), (2588, 31608), (2634, 31056), (3512, 23292), (3882, 21072), (3951, 20704), (5176, 15804), (5268, 15528), (5823, 14048), (7024, 11646), (7764, 10536), (7902, 10352)]