8405840640

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{2189021}}^1$

素因数の和:2189045

約数の個数: 72

約数和(自身を含む): 26846165808

約数和(自身を除く): 18440325168

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 640, 768, 960, 1280, 1920, 3840, 2189021, 4378042, 6567063, 8756084, 10945105, 13134126, 17512168, 21890210, 26268252, 32835315, 35024336, 43780420, 52536504, 65670630, 70048672, 87560840, 105073008, 131341260, 140097344, 175121680, 210146016, 262682520, 280194688, 350243360, 420292032, 525365040, 560389376, 700486720, 840584064, 1050730080, 1400973440, 1681168128, 2101460160, 2801946880, 4202920320, 8405840640]

約数ペア:

[(1, 8405840640), (2, 4202920320), (3, 2801946880), (4, 2101460160), (5, 1681168128), (6, 1400973440), (8, 1050730080), (10, 840584064), (12, 700486720), (15, 560389376), (16, 525365040), (20, 420292032), (24, 350243360), (30, 280194688), (32, 262682520), (40, 210146016), (48, 175121680), (60, 140097344), (64, 131341260), (80, 105073008), (96, 87560840), (120, 70048672), (128, 65670630), (160, 52536504), (192, 43780420), (240, 35024336), (256, 32835315), (320, 26268252), (384, 21890210), (480, 17512168), (640, 13134126), (768, 10945105), (960, 8756084), (1280, 6567063), (1920, 4378042), (3840, 2189021)]