782399760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{3259999}}^1$

素因数の和:3260015

約数の個数: 40

約数和(自身を含む): 2425440000

約数和(自身を除く): 1643040240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 3259999, 6519998, 9779997, 13039996, 16299995, 19559994, 26079992, 32599990, 39119988, 48899985, 52159984, 65199980, 78239976, 97799970, 130399960, 156479952, 195599940, 260799920, 391199880, 782399760]

約数ペア:

[(1, 782399760), (2, 391199880), (3, 260799920), (4, 195599940), (5, 156479952), (6, 130399960), (8, 97799970), (10, 78239976), (12, 65199980), (15, 52159984), (16, 48899985), (20, 39119988), (24, 32599990), (30, 26079992), (40, 19559994), (48, 16299995), (60, 13039996), (80, 9779997), (120, 6519998), (240, 3259999)]