85818880

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{4789}}^1$

素因数の和:4819

約数の個数: 80

約数和(自身を含む): 235208160

約数和(自身を除く): 149389280

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, 256, 280, 320, 448, 512, 560, 640, 896, 1120, 1280, 1792, 2240, 2560, 3584, 4480, 4789, 8960, 9578, 17920, 19156, 23945, 33523, 38312, 47890, 67046, 76624, 95780, 134092, 153248, 167615, 191560, 268184, 306496, 335230, 383120, 536368, 612992, 670460, 766240, 1072736, 1225984, 1340920, 1532480, 2145472, 2451968, 2681840, 3064960, 4290944, 5363680, 6129920, 8581888, 10727360, 12259840, 17163776, 21454720, 42909440, 85818880]

約数ペア:

[(1, 85818880), (2, 42909440), (4, 21454720), (5, 17163776), (7, 12259840), (8, 10727360), (10, 8581888), (14, 6129920), (16, 5363680), (20, 4290944), (28, 3064960), (32, 2681840), (35, 2451968), (40, 2145472), (56, 1532480), (64, 1340920), (70, 1225984), (80, 1072736), (112, 766240), (128, 670460), (140, 612992), (160, 536368), (224, 383120), (256, 335230), (280, 306496), (320, 268184), (448, 191560), (512, 167615), (560, 153248), (640, 134092), (896, 95780), (1120, 76624), (1280, 67046), (1792, 47890), (2240, 38312), (2560, 33523), (3584, 23945), (4480, 19156), (4789, 17920), (8960, 9578)]