51120180

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{691}}^1$

素因数の和:846

約数の個数: 96

約数和(自身を含む): 160433280

約数和(自身を除く): 109313100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 137, 180, 270, 274, 411, 540, 548, 685, 691, 822, 1233, 1370, 1382, 1644, 2055, 2073, 2466, 2740, 2764, 3455, 3699, 4110, 4146, 4932, 6165, 6219, 6910, 7398, 8220, 8292, 10365, 12330, 12438, 13820, 14796, 18495, 18657, 20730, 24660, 24876, 31095, 36990, 37314, 41460, 62190, 73980, 74628, 93285, 94667, 124380, 186570, 189334, 284001, 373140, 378668, 473335, 568002, 852003, 946670, 1136004, 1420005, 1704006, 1893340, 2556009, 2840010, 3408012, 4260015, 5112018, 5680020, 8520030, 10224036, 12780045, 17040060, 25560090, 51120180]

約数ペア:

[(1, 51120180), (2, 25560090), (3, 17040060), (4, 12780045), (5, 10224036), (6, 8520030), (9, 5680020), (10, 5112018), (12, 4260015), (15, 3408012), (18, 2840010), (20, 2556009), (27, 1893340), (30, 1704006), (36, 1420005), (45, 1136004), (54, 946670), (60, 852003), (90, 568002), (108, 473335), (135, 378668), (137, 373140), (180, 284001), (270, 189334), (274, 186570), (411, 124380), (540, 94667), (548, 93285), (685, 74628), (691, 73980), (822, 62190), (1233, 41460), (1370, 37314), (1382, 36990), (1644, 31095), (2055, 24876), (2073, 24660), (2466, 20730), (2740, 18657), (2764, 18495), (3455, 14796), (3699, 13820), (4110, 12438), (4146, 12330), (4932, 10365), (6165, 8292), (6219, 8220), (6910, 7398)]