215221680

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{337}}^1\times {\mathrm{887}}^1$

素因数の和:1243

約数の個数: 120

約数和(自身を含む): 725748192

約数和(自身を除く): 510526512

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, 240, 337, 360, 674, 720, 887, 1011, 1348, 1685, 1774, 2022, 2661, 2696, 3033, 3370, 3548, 4044, 4435, 5055, 5322, 5392, 6066, 6740, 7096, 7983, 8088, 8870, 10110, 10644, 12132, 13305, 13480, 14192, 15165, 15966, 16176, 17740, 20220, 21288, 24264, 26610, 26960, 30330, 31932, 35480, 39915, 40440, 42576, 48528, 53220, 60660, 63864, 70960, 79830, 80880, 106440, 121320, 127728, 159660, 212880, 242640, 298919, 319320, 597838, 638640, 896757, 1195676, 1494595, 1793514, 2391352, 2690271, 2989190, 3587028, 4483785, 4782704, 5380542, 5978380, 7174056, 8967570, 10761084, 11956760, 13451355, 14348112, 17935140, 21522168, 23913520, 26902710, 35870280, 43044336, 53805420, 71740560, 107610840, 215221680]

約数ペア:

[(1, 215221680), (2, 107610840), (3, 71740560), (4, 53805420), (5, 43044336), (6, 35870280), (8, 26902710), (9, 23913520), (10, 21522168), (12, 17935140), (15, 14348112), (16, 13451355), (18, 11956760), (20, 10761084), (24, 8967570), (30, 7174056), (36, 5978380), (40, 5380542), (45, 4782704), (48, 4483785), (60, 3587028), (72, 2989190), (80, 2690271), (90, 2391352), (120, 1793514), (144, 1494595), (180, 1195676), (240, 896757), (337, 638640), (360, 597838), (674, 319320), (720, 298919), (887, 242640), (1011, 212880), (1348, 159660), (1685, 127728), (1774, 121320), (2022, 106440), (2661, 80880), (2696, 79830), (3033, 70960), (3370, 63864), (3548, 60660), (4044, 53220), (4435, 48528), (5055, 42576), (5322, 40440), (5392, 39915), (6066, 35480), (6740, 31932), (7096, 30330), (7983, 26960), (8088, 26610), (8870, 24264), (10110, 21288), (10644, 20220), (12132, 17740), (13305, 16176), (13480, 15966), (14192, 15165)]