1812156942080

素因数分解:

$2^8\times 5^1\times {\mathrm{1097}}^1\times {\mathrm{1290563}}^1$

素因数の和:1291681

約数の個数: 72

約数和(自身を含む): 4344642407952

約数和(自身を除く): 2532485465872

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1097, 1280, 2194, 4388, 5485, 8776, 10970, 17552, 21940, 35104, 43880, 70208, 87760, 140416, 175520, 280832, 351040, 702080, 1290563, 1404160, 2581126, 5162252, 6452815, 10324504, 12905630, 20649008, 25811260, 41298016, 51622520, 82596032, 103245040, 165192064, 206490080, 330384128, 412980160, 825960320, 1415747611, 1651920640, 2831495222, 5662990444, 7078738055, 11325980888, 14157476110, 22651961776, 28314952220, 45303923552, 56629904440, 90607847104, 113259808880, 181215694208, 226519617760, 362431388416, 453039235520, 906078471040, 1812156942080]

約数ペア:

[(1, 1812156942080), (2, 906078471040), (4, 453039235520), (5, 362431388416), (8, 226519617760), (10, 181215694208), (16, 113259808880), (20, 90607847104), (32, 56629904440), (40, 45303923552), (64, 28314952220), (80, 22651961776), (128, 14157476110), (160, 11325980888), (256, 7078738055), (320, 5662990444), (640, 2831495222), (1097, 1651920640), (1280, 1415747611), (2194, 825960320), (4388, 412980160), (5485, 330384128), (8776, 206490080), (10970, 165192064), (17552, 103245040), (21940, 82596032), (35104, 51622520), (43880, 41298016), (70208, 25811260), (87760, 20649008), (140416, 12905630), (175520, 10324504), (280832, 6452815), (351040, 5162252), (702080, 2581126), (1290563, 1404160)]