642240

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{223}}^1$

素因数の和:246

約数の個数: 84

約数和(自身を含む): 2218944

約数和(自身を除く): 1576704

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 144, 160, 180, 192, 223, 240, 288, 320, 360, 446, 480, 576, 669, 720, 892, 960, 1115, 1338, 1440, 1784, 2007, 2230, 2676, 2880, 3345, 3568, 4014, 4460, 5352, 6690, 7136, 8028, 8920, 10035, 10704, 13380, 14272, 16056, 17840, 20070, 21408, 26760, 32112, 35680, 40140, 42816, 53520, 64224, 71360, 80280, 107040, 128448, 160560, 214080, 321120, 642240]

約数ペア:

[(1, 642240), (2, 321120), (3, 214080), (4, 160560), (5, 128448), (6, 107040), (8, 80280), (9, 71360), (10, 64224), (12, 53520), (15, 42816), (16, 40140), (18, 35680), (20, 32112), (24, 26760), (30, 21408), (32, 20070), (36, 17840), (40, 16056), (45, 14272), (48, 13380), (60, 10704), (64, 10035), (72, 8920), (80, 8028), (90, 7136), (96, 6690), (120, 5352), (144, 4460), (160, 4014), (180, 3568), (192, 3345), (223, 2880), (240, 2676), (288, 2230), (320, 2007), (360, 1784), (446, 1440), (480, 1338), (576, 1115), (669, 960), (720, 892)]