74742840

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{207619}}^1$

素因数の和:207636

約数の個数: 48

約数和(自身を含む): 242915400

約数和(自身を除く): 168172560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 207619, 415238, 622857, 830476, 1038095, 1245714, 1660952, 1868571, 2076190, 2491428, 3114285, 3737142, 4152380, 4982856, 6228570, 7474284, 8304760, 9342855, 12457140, 14948568, 18685710, 24914280, 37371420, 74742840]

約数ペア:

[(1, 74742840), (2, 37371420), (3, 24914280), (4, 18685710), (5, 14948568), (6, 12457140), (8, 9342855), (9, 8304760), (10, 7474284), (12, 6228570), (15, 4982856), (18, 4152380), (20, 3737142), (24, 3114285), (30, 2491428), (36, 2076190), (40, 1868571), (45, 1660952), (60, 1245714), (72, 1038095), (90, 830476), (120, 622857), (180, 415238), (360, 207619)]