1615140

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{997}}^1$

素因数の和:1018

約数の個数: 60

約数和(自身を含む): 5071836

約数和(自身を除く): 3456696

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 997, 1620, 1994, 2991, 3988, 4985, 5982, 8973, 9970, 11964, 14955, 17946, 19940, 26919, 29910, 35892, 44865, 53838, 59820, 80757, 89730, 107676, 134595, 161514, 179460, 269190, 323028, 403785, 538380, 807570, 1615140]

約数ペア:

[(1, 1615140), (2, 807570), (3, 538380), (4, 403785), (5, 323028), (6, 269190), (9, 179460), (10, 161514), (12, 134595), (15, 107676), (18, 89730), (20, 80757), (27, 59820), (30, 53838), (36, 44865), (45, 35892), (54, 29910), (60, 26919), (81, 19940), (90, 17946), (108, 14955), (135, 11964), (162, 9970), (180, 8973), (270, 5982), (324, 4985), (405, 3988), (540, 2991), (810, 1994), (997, 1620)]