68007780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{16427}}^1$

素因数の和:16465

約数の個数: 72

約数和(自身を含む): 215272512

約数和(自身を除く): 147264732

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 690, 828, 1035, 1380, 2070, 4140, 16427, 32854, 49281, 65708, 82135, 98562, 147843, 164270, 197124, 246405, 295686, 328540, 377821, 492810, 591372, 739215, 755642, 985620, 1133463, 1478430, 1511284, 1889105, 2266926, 2956860, 3400389, 3778210, 4533852, 5667315, 6800778, 7556420, 11334630, 13601556, 17001945, 22669260, 34003890, 68007780]

約数ペア:

[(1, 68007780), (2, 34003890), (3, 22669260), (4, 17001945), (5, 13601556), (6, 11334630), (9, 7556420), (10, 6800778), (12, 5667315), (15, 4533852), (18, 3778210), (20, 3400389), (23, 2956860), (30, 2266926), (36, 1889105), (45, 1511284), (46, 1478430), (60, 1133463), (69, 985620), (90, 755642), (92, 739215), (115, 591372), (138, 492810), (180, 377821), (207, 328540), (230, 295686), (276, 246405), (345, 197124), (414, 164270), (460, 147843), (690, 98562), (828, 82135), (1035, 65708), (1380, 49281), (2070, 32854), (4140, 16427)]