81532368

素因数分解:

$2^4\times 3^2\times {\mathrm{223}}^1\times {\mathrm{2539}}^1$

素因数の和:2776

約数の個数: 60

約数和(自身を含む): 229290880

約数和(自身を除く): 147758512

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 223, 446, 669, 892, 1338, 1784, 2007, 2539, 2676, 3568, 4014, 5078, 5352, 7617, 8028, 10156, 10704, 15234, 16056, 20312, 22851, 30468, 32112, 40624, 45702, 60936, 91404, 121872, 182808, 365616, 566197, 1132394, 1698591, 2264788, 3397182, 4529576, 5095773, 6794364, 9059152, 10191546, 13588728, 20383092, 27177456, 40766184, 81532368]

約数ペア:

[(1, 81532368), (2, 40766184), (3, 27177456), (4, 20383092), (6, 13588728), (8, 10191546), (9, 9059152), (12, 6794364), (16, 5095773), (18, 4529576), (24, 3397182), (36, 2264788), (48, 1698591), (72, 1132394), (144, 566197), (223, 365616), (446, 182808), (669, 121872), (892, 91404), (1338, 60936), (1784, 45702), (2007, 40624), (2539, 32112), (2676, 30468), (3568, 22851), (4014, 20312), (5078, 16056), (5352, 15234), (7617, 10704), (8028, 10156)]