159839280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{221999}}^1$

素因数の和:222018

約数の個数: 60

約数和(自身を含む): 536796000

約数和(自身を除く): 376956720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 221999, 443998, 665997, 887996, 1109995, 1331994, 1775992, 1997991, 2219990, 2663988, 3329985, 3551984, 3995982, 4439980, 5327976, 6659970, 7991964, 8879960, 9989955, 10655952, 13319940, 15983928, 17759920, 19979910, 26639880, 31967856, 39959820, 53279760, 79919640, 159839280]

約数ペア:

[(1, 159839280), (2, 79919640), (3, 53279760), (4, 39959820), (5, 31967856), (6, 26639880), (8, 19979910), (9, 17759920), (10, 15983928), (12, 13319940), (15, 10655952), (16, 9989955), (18, 8879960), (20, 7991964), (24, 6659970), (30, 5327976), (36, 4439980), (40, 3995982), (45, 3551984), (48, 3329985), (60, 2663988), (72, 2219990), (80, 1997991), (90, 1775992), (120, 1331994), (144, 1109995), (180, 887996), (240, 665997), (360, 443998), (720, 221999)]