72718920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{201997}}^1$

素因数の和:202014

約数の個数: 48

約数和(自身を含む): 236337660

約数和(自身を除く): 163618740

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 201997, 403994, 605991, 807988, 1009985, 1211982, 1615976, 1817973, 2019970, 2423964, 3029955, 3635946, 4039940, 4847928, 6059910, 7271892, 8079880, 9089865, 12119820, 14543784, 18179730, 24239640, 36359460, 72718920]

約数ペア:

[(1, 72718920), (2, 36359460), (3, 24239640), (4, 18179730), (5, 14543784), (6, 12119820), (8, 9089865), (9, 8079880), (10, 7271892), (12, 6059910), (15, 4847928), (18, 4039940), (20, 3635946), (24, 3029955), (30, 2423964), (36, 2019970), (40, 1817973), (45, 1615976), (60, 1211982), (72, 1009985), (90, 807988), (120, 605991), (180, 403994), (360, 201997)]