72719280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{100999}}^1$

素因数の和:101018

約数の個数: 60

約数和(自身を含む): 244218000

約数和(自身を除く): 171498720

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, 100999, 201998, 302997, 403996, 504995, 605994, 807992, 908991, 1009990, 1211988, 1514985, 1615984, 1817982, 2019980, 2423976, 3029970, 3635964, 4039960, 4544955, 4847952, 6059940, 7271928, 8079920, 9089910, 12119880, 14543856, 18179820, 24239760, 36359640, 72719280]

約数ペア:

[(1, 72719280), (2, 36359640), (3, 24239760), (4, 18179820), (5, 14543856), (6, 12119880), (8, 9089910), (9, 8079920), (10, 7271928), (12, 6059940), (15, 4847952), (16, 4544955), (18, 4039960), (20, 3635964), (24, 3029970), (30, 2423976), (36, 2019980), (40, 1817982), (45, 1615984), (48, 1514985), (60, 1211988), (72, 1009990), (80, 908991), (90, 807992), (120, 605994), (144, 504995), (180, 403996), (240, 302997), (360, 201998), (720, 100999)]