15779820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{37571}}^1$

素因数の和:37590

約数の個数: 48

約数和(自身を含む): 50496768

約数和(自身を除く): 34716948

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 37571, 75142, 112713, 150284, 187855, 225426, 262997, 375710, 450852, 525994, 563565, 751420, 788991, 1051988, 1127130, 1314985, 1577982, 2254260, 2629970, 3155964, 3944955, 5259940, 7889910, 15779820]

約数ペア:

[(1, 15779820), (2, 7889910), (3, 5259940), (4, 3944955), (5, 3155964), (6, 2629970), (7, 2254260), (10, 1577982), (12, 1314985), (14, 1127130), (15, 1051988), (20, 788991), (21, 751420), (28, 563565), (30, 525994), (35, 450852), (42, 375710), (60, 262997), (70, 225426), (84, 187855), (105, 150284), (140, 112713), (210, 75142), (420, 37571)]