64487940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{491}}^1$

素因数の和:713

約数の個数: 96

約数和(自身を含む): 198374400

約数和(自身を除く): 133886460

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 199, 220, 330, 398, 491, 597, 660, 796, 982, 995, 1194, 1473, 1964, 1990, 2189, 2388, 2455, 2946, 2985, 3980, 4378, 4910, 5401, 5892, 5970, 6567, 7365, 8756, 9820, 10802, 10945, 11940, 13134, 14730, 16203, 21604, 21890, 26268, 27005, 29460, 32406, 32835, 43780, 54010, 64812, 65670, 81015, 97709, 108020, 131340, 162030, 195418, 293127, 324060, 390836, 488545, 586254, 977090, 1074799, 1172508, 1465635, 1954180, 2149598, 2931270, 3224397, 4299196, 5373995, 5862540, 6448794, 10747990, 12897588, 16121985, 21495980, 32243970, 64487940]

約数ペア:

[(1, 64487940), (2, 32243970), (3, 21495980), (4, 16121985), (5, 12897588), (6, 10747990), (10, 6448794), (11, 5862540), (12, 5373995), (15, 4299196), (20, 3224397), (22, 2931270), (30, 2149598), (33, 1954180), (44, 1465635), (55, 1172508), (60, 1074799), (66, 977090), (110, 586254), (132, 488545), (165, 390836), (199, 324060), (220, 293127), (330, 195418), (398, 162030), (491, 131340), (597, 108020), (660, 97709), (796, 81015), (982, 65670), (995, 64812), (1194, 54010), (1473, 43780), (1964, 32835), (1990, 32406), (2189, 29460), (2388, 27005), (2455, 26268), (2946, 21890), (2985, 21604), (3980, 16203), (4378, 14730), (4910, 13134), (5401, 11940), (5892, 10945), (5970, 10802), (6567, 9820), (7365, 8756)]