30881280

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{4021}}^1$

素因数の和:4047

約数の個数: 80

約数和(自身を含む): 98748144

約数和(自身を除く): 67866864

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, 512, 640, 768, 960, 1280, 1536, 1920, 2560, 3840, 4021, 7680, 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, 2058752, 2573440, 3088128, 3860160, 5146880, 6176256, 7720320, 10293760, 15440640, 30881280]

約数ペア:

[(1, 30881280), (2, 15440640), (3, 10293760), (4, 7720320), (5, 6176256), (6, 5146880), (8, 3860160), (10, 3088128), (12, 2573440), (15, 2058752), (16, 1930080), (20, 1544064), (24, 1286720), (30, 1029376), (32, 965040), (40, 772032), (48, 643360), (60, 514688), (64, 482520), (80, 386016), (96, 321680), (120, 257344), (128, 241260), (160, 193008), (192, 160840), (240, 128672), (256, 120630), (320, 96504), (384, 80420), (480, 64336), (512, 60315), (640, 48252), (768, 40210), (960, 32168), (1280, 24126), (1536, 20105), (1920, 16084), (2560, 12063), (3840, 8042), (4021, 7680)]