493440

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{257}}^1$

素因数の和:279

約数の個数: 64

約数和(自身を含む): 1578960

約数和(自身を除く): 1085520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 257, 320, 384, 480, 514, 640, 771, 960, 1028, 1285, 1542, 1920, 2056, 2570, 3084, 3855, 4112, 5140, 6168, 7710, 8224, 10280, 12336, 15420, 16448, 20560, 24672, 30840, 32896, 41120, 49344, 61680, 82240, 98688, 123360, 164480, 246720, 493440]

約数ペア:

[(1, 493440), (2, 246720), (3, 164480), (4, 123360), (5, 98688), (6, 82240), (8, 61680), (10, 49344), (12, 41120), (15, 32896), (16, 30840), (20, 24672), (24, 20560), (30, 16448), (32, 15420), (40, 12336), (48, 10280), (60, 8224), (64, 7710), (80, 6168), (96, 5140), (120, 4112), (128, 3855), (160, 3084), (192, 2570), (240, 2056), (257, 1920), (320, 1542), (384, 1285), (480, 1028), (514, 960), (640, 771)]