128391408

素因数分解:

$2^4\times 3^2\times {\mathrm{457}}^1\times {\mathrm{1951}}^1$

素因数の和:2422

約数の個数: 60

約数和(自身を含む): 360288448

約数和(自身を除く): 231897040

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 457, 914, 1371, 1828, 1951, 2742, 3656, 3902, 4113, 5484, 5853, 7312, 7804, 8226, 10968, 11706, 15608, 16452, 17559, 21936, 23412, 31216, 32904, 35118, 46824, 65808, 70236, 93648, 140472, 280944, 891607, 1783214, 2674821, 3566428, 5349642, 7132856, 8024463, 10699284, 14265712, 16048926, 21398568, 32097852, 42797136, 64195704, 128391408]

約数ペア:

[(1, 128391408), (2, 64195704), (3, 42797136), (4, 32097852), (6, 21398568), (8, 16048926), (9, 14265712), (12, 10699284), (16, 8024463), (18, 7132856), (24, 5349642), (36, 3566428), (48, 2674821), (72, 1783214), (144, 891607), (457, 280944), (914, 140472), (1371, 93648), (1828, 70236), (1951, 65808), (2742, 46824), (3656, 35118), (3902, 32904), (4113, 31216), (5484, 23412), (5853, 21936), (7312, 17559), (7804, 16452), (8226, 15608), (10968, 11706)]