6637840

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{397}}^1$

素因数の和:440

約数の個数: 80

約数和(自身を含む): 17766720

約数和(自身を除く): 11128880

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 38, 40, 44, 55, 76, 80, 88, 95, 110, 152, 176, 190, 209, 220, 304, 380, 397, 418, 440, 760, 794, 836, 880, 1045, 1520, 1588, 1672, 1985, 2090, 3176, 3344, 3970, 4180, 4367, 6352, 7543, 7940, 8360, 8734, 15086, 15880, 16720, 17468, 21835, 30172, 31760, 34936, 37715, 43670, 60344, 69872, 75430, 82973, 87340, 120688, 150860, 165946, 174680, 301720, 331892, 349360, 414865, 603440, 663784, 829730, 1327568, 1659460, 3318920, 6637840]

約数ペア:

[(1, 6637840), (2, 3318920), (4, 1659460), (5, 1327568), (8, 829730), (10, 663784), (11, 603440), (16, 414865), (19, 349360), (20, 331892), (22, 301720), (38, 174680), (40, 165946), (44, 150860), (55, 120688), (76, 87340), (80, 82973), (88, 75430), (95, 69872), (110, 60344), (152, 43670), (176, 37715), (190, 34936), (209, 31760), (220, 30172), (304, 21835), (380, 17468), (397, 16720), (418, 15880), (440, 15086), (760, 8734), (794, 8360), (836, 7940), (880, 7543), (1045, 6352), (1520, 4367), (1588, 4180), (1672, 3970), (1985, 3344), (2090, 3176)]