407040

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{53}}^1$

素因数の和:79

約数の個数: 80

約数和(自身を含む): 1325808

約数和(自身を除く): 918768

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 53, 60, 64, 80, 96, 106, 120, 128, 159, 160, 192, 212, 240, 256, 265, 318, 320, 384, 424, 480, 512, 530, 636, 640, 768, 795, 848, 960, 1060, 1272, 1280, 1536, 1590, 1696, 1920, 2120, 2544, 2560, 3180, 3392, 3840, 4240, 5088, 6360, 6784, 7680, 8480, 10176, 12720, 13568, 16960, 20352, 25440, 27136, 33920, 40704, 50880, 67840, 81408, 101760, 135680, 203520, 407040]

約数ペア:

[(1, 407040), (2, 203520), (3, 135680), (4, 101760), (5, 81408), (6, 67840), (8, 50880), (10, 40704), (12, 33920), (15, 27136), (16, 25440), (20, 20352), (24, 16960), (30, 13568), (32, 12720), (40, 10176), (48, 8480), (53, 7680), (60, 6784), (64, 6360), (80, 5088), (96, 4240), (106, 3840), (120, 3392), (128, 3180), (159, 2560), (160, 2544), (192, 2120), (212, 1920), (240, 1696), (256, 1590), (265, 1536), (318, 1280), (320, 1272), (384, 1060), (424, 960), (480, 848), (512, 795), (530, 768), (636, 640)]