172708560

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{239873}}^1$

素因数の和:239892

約数の個数: 60

約数和(自身を含む): 580015332

約数和(自身を除く): 407306772

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 239873, 479746, 719619, 959492, 1199365, 1439238, 1918984, 2158857, 2398730, 2878476, 3598095, 3837968, 4317714, 4797460, 5756952, 7196190, 8635428, 9594920, 10794285, 11513904, 14392380, 17270856, 19189840, 21588570, 28784760, 34541712, 43177140, 57569520, 86354280, 172708560]

約数ペア:

[(1, 172708560), (2, 86354280), (3, 57569520), (4, 43177140), (5, 34541712), (6, 28784760), (8, 21588570), (9, 19189840), (10, 17270856), (12, 14392380), (15, 11513904), (16, 10794285), (18, 9594920), (20, 8635428), (24, 7196190), (30, 5756952), (36, 4797460), (40, 4317714), (45, 3837968), (48, 3598095), (60, 2878476), (72, 2398730), (80, 2158857), (90, 1918984), (120, 1439238), (144, 1199365), (180, 959492), (240, 719619), (360, 479746), (720, 239873)]