137898880

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{30781}}^1$

素因数の和:30807

約数の個数: 64

約数和(自身を含む): 376771680

約数和(自身を除く): 238872800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1120, 2240, 4480, 30781, 61562, 123124, 153905, 215467, 246248, 307810, 430934, 492496, 615620, 861868, 984992, 1077335, 1231240, 1723736, 1969984, 2154670, 2462480, 3447472, 3939968, 4309340, 4924960, 6894944, 8618680, 9849920, 13789888, 17237360, 19699840, 27579776, 34474720, 68949440, 137898880]

約数ペア:

[(1, 137898880), (2, 68949440), (4, 34474720), (5, 27579776), (7, 19699840), (8, 17237360), (10, 13789888), (14, 9849920), (16, 8618680), (20, 6894944), (28, 4924960), (32, 4309340), (35, 3939968), (40, 3447472), (56, 2462480), (64, 2154670), (70, 1969984), (80, 1723736), (112, 1231240), (128, 1077335), (140, 984992), (160, 861868), (224, 615620), (280, 492496), (320, 430934), (448, 307810), (560, 246248), (640, 215467), (896, 153905), (1120, 123124), (2240, 61562), (4480, 30781)]