287201520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{1669}}^1$

素因数の和:1927

約数の個数: 120

約数和(自身を含む): 969134400

約数和(自身を除く): 681932880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 239, 240, 360, 478, 717, 720, 956, 1195, 1434, 1669, 1912, 2151, 2390, 2868, 3338, 3585, 3824, 4302, 4780, 5007, 5736, 6676, 7170, 8345, 8604, 9560, 10014, 10755, 11472, 13352, 14340, 15021, 16690, 17208, 19120, 20028, 21510, 25035, 26704, 28680, 30042, 33380, 34416, 40056, 43020, 50070, 57360, 60084, 66760, 75105, 80112, 86040, 100140, 120168, 133520, 150210, 172080, 200280, 240336, 300420, 398891, 400560, 600840, 797782, 1196673, 1201680, 1595564, 1994455, 2393346, 3191128, 3590019, 3988910, 4786692, 5983365, 6382256, 7180038, 7977820, 9573384, 11966730, 14360076, 15955640, 17950095, 19146768, 23933460, 28720152, 31911280, 35900190, 47866920, 57440304, 71800380, 95733840, 143600760, 287201520]

約数ペア:

[(1, 287201520), (2, 143600760), (3, 95733840), (4, 71800380), (5, 57440304), (6, 47866920), (8, 35900190), (9, 31911280), (10, 28720152), (12, 23933460), (15, 19146768), (16, 17950095), (18, 15955640), (20, 14360076), (24, 11966730), (30, 9573384), (36, 7977820), (40, 7180038), (45, 6382256), (48, 5983365), (60, 4786692), (72, 3988910), (80, 3590019), (90, 3191128), (120, 2393346), (144, 1994455), (180, 1595564), (239, 1201680), (240, 1196673), (360, 797782), (478, 600840), (717, 400560), (720, 398891), (956, 300420), (1195, 240336), (1434, 200280), (1669, 172080), (1912, 150210), (2151, 133520), (2390, 120168), (2868, 100140), (3338, 86040), (3585, 80112), (3824, 75105), (4302, 66760), (4780, 60084), (5007, 57360), (5736, 50070), (6676, 43020), (7170, 40056), (8345, 34416), (8604, 33380), (9560, 30042), (10014, 28680), (10755, 26704), (11472, 25035), (13352, 21510), (14340, 20028), (15021, 19120), (16690, 17208)]