78239760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{325999}}^1$

素因数の和:326015

約数の個数: 40

約数和(自身を含む): 242544000

約数和(自身を除く): 164304240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 325999, 651998, 977997, 1303996, 1629995, 1955994, 2607992, 3259990, 3911988, 4889985, 5215984, 6519980, 7823976, 9779970, 13039960, 15647952, 19559940, 26079920, 39119880, 78239760]

約数ペア:

[(1, 78239760), (2, 39119880), (3, 26079920), (4, 19559940), (5, 15647952), (6, 13039960), (8, 9779970), (10, 7823976), (12, 6519980), (15, 5215984), (16, 4889985), (20, 3911988), (24, 3259990), (30, 2607992), (40, 1955994), (48, 1629995), (60, 1303996), (80, 977997), (120, 651998), (240, 325999)]