1811640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{487}}^1$

素因数の和:532

約数の個数: 64

約数和(自身を含む): 5621760

約数和(自身を除く): 3810120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 155, 186, 248, 310, 372, 465, 487, 620, 744, 930, 974, 1240, 1461, 1860, 1948, 2435, 2922, 3720, 3896, 4870, 5844, 7305, 9740, 11688, 14610, 15097, 19480, 29220, 30194, 45291, 58440, 60388, 75485, 90582, 120776, 150970, 181164, 226455, 301940, 362328, 452910, 603880, 905820, 1811640]

約数ペア:

[(1, 1811640), (2, 905820), (3, 603880), (4, 452910), (5, 362328), (6, 301940), (8, 226455), (10, 181164), (12, 150970), (15, 120776), (20, 90582), (24, 75485), (30, 60388), (31, 58440), (40, 45291), (60, 30194), (62, 29220), (93, 19480), (120, 15097), (124, 14610), (155, 11688), (186, 9740), (248, 7305), (310, 5844), (372, 4870), (465, 3896), (487, 3720), (620, 2922), (744, 2435), (930, 1948), (974, 1860), (1240, 1461)]