31124430

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{1999}}^1$

素因数の和:2185

約数の個数: 48

約数和(自身を含む): 81432000

約数和(自身を除く): 50307570

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 173, 346, 519, 865, 1038, 1557, 1730, 1999, 2595, 3114, 3998, 5190, 5997, 7785, 9995, 11994, 15570, 17991, 19990, 29985, 35982, 59970, 89955, 179910, 345827, 691654, 1037481, 1729135, 2074962, 3112443, 3458270, 5187405, 6224886, 10374810, 15562215, 31124430]

約数ペア:

[(1, 31124430), (2, 15562215), (3, 10374810), (5, 6224886), (6, 5187405), (9, 3458270), (10, 3112443), (15, 2074962), (18, 1729135), (30, 1037481), (45, 691654), (90, 345827), (173, 179910), (346, 89955), (519, 59970), (865, 35982), (1038, 29985), (1557, 19990), (1730, 17991), (1999, 15570), (2595, 11994), (3114, 9995), (3998, 7785), (5190, 5997)]