15440640

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{4021}}^1$

素因数の和:4045

約数の個数: 72

約数和(自身を含む): 49325808

約数和(自身を除く): 33885168

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, 4021, 8042, 12063, 16084, 20105, 24126, 32168, 40210, 48252, 60315, 64336, 80420, 96504, 120630, 128672, 160840, 193008, 241260, 257344, 321680, 386016, 482520, 514688, 643360, 772032, 965040, 1029376, 1286720, 1544064, 1930080, 2573440, 3088128, 3860160, 5146880, 7720320, 15440640]

約数ペア:

[(1, 15440640), (2, 7720320), (3, 5146880), (4, 3860160), (5, 3088128), (6, 2573440), (8, 1930080), (10, 1544064), (12, 1286720), (15, 1029376), (16, 965040), (20, 772032), (24, 643360), (30, 514688), (32, 482520), (40, 386016), (48, 321680), (60, 257344), (64, 241260), (80, 193008), (96, 160840), (120, 128672), (128, 120630), (160, 96504), (192, 80420), (240, 64336), (256, 60315), (320, 48252), (384, 40210), (480, 32168), (640, 24126), (768, 20105), (960, 16084), (1280, 12063), (1920, 8042), (3840, 4021)]