844870720

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{138959}}^1$

素因数の和:138995

約数の個数: 56

約数和(自身を含む): 2117750400

約数和(自身を除く): 1272879680

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 152, 160, 190, 304, 320, 380, 608, 760, 1216, 1520, 3040, 6080, 138959, 277918, 555836, 694795, 1111672, 1389590, 2223344, 2640221, 2779180, 4446688, 5280442, 5558360, 8893376, 10560884, 11116720, 13201105, 21121768, 22233440, 26402210, 42243536, 44466880, 52804420, 84487072, 105608840, 168974144, 211217680, 422435360, 844870720]

約数ペア:

[(1, 844870720), (2, 422435360), (4, 211217680), (5, 168974144), (8, 105608840), (10, 84487072), (16, 52804420), (19, 44466880), (20, 42243536), (32, 26402210), (38, 22233440), (40, 21121768), (64, 13201105), (76, 11116720), (80, 10560884), (95, 8893376), (152, 5558360), (160, 5280442), (190, 4446688), (304, 2779180), (320, 2640221), (380, 2223344), (608, 1389590), (760, 1111672), (1216, 694795), (1520, 555836), (3040, 277918), (6080, 138959)]