721439760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{3005999}}^1$

素因数の和:3006015

約数の個数: 40

約数和(自身を含む): 2236464000

約数和(自身を除く): 1515024240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 3005999, 6011998, 9017997, 12023996, 15029995, 18035994, 24047992, 30059990, 36071988, 45089985, 48095984, 60119980, 72143976, 90179970, 120239960, 144287952, 180359940, 240479920, 360719880, 721439760]

約数ペア:

[(1, 721439760), (2, 360719880), (3, 240479920), (4, 180359940), (5, 144287952), (6, 120239960), (8, 90179970), (10, 72143976), (12, 60119980), (15, 48095984), (16, 45089985), (20, 36071988), (24, 30059990), (30, 24047992), (40, 18035994), (48, 15029995), (60, 12023996), (80, 9017997), (120, 6011998), (240, 3005999)]