87261780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{5659}}^1$

素因数の和:5928

約数の個数: 48

約数和(自身を含む): 245327040

約数和(自身を除く): 158065260

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 257, 514, 771, 1028, 1285, 1542, 2570, 3084, 3855, 5140, 5659, 7710, 11318, 15420, 16977, 22636, 28295, 33954, 56590, 67908, 84885, 113180, 169770, 339540, 1454363, 2908726, 4363089, 5817452, 7271815, 8726178, 14543630, 17452356, 21815445, 29087260, 43630890, 87261780]

約数ペア:

[(1, 87261780), (2, 43630890), (3, 29087260), (4, 21815445), (5, 17452356), (6, 14543630), (10, 8726178), (12, 7271815), (15, 5817452), (20, 4363089), (30, 2908726), (60, 1454363), (257, 339540), (514, 169770), (771, 113180), (1028, 84885), (1285, 67908), (1542, 56590), (2570, 33954), (3084, 28295), (3855, 22636), (5140, 16977), (5659, 15420), (7710, 11318)]