219990240

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{227}}^1\times {\mathrm{673}}^1$

素因数の和:921

約数の個数: 144

約数和(自身を含む): 755144208

約数和(自身を除く): 535153968

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 227, 240, 288, 360, 454, 480, 673, 681, 720, 908, 1135, 1346, 1362, 1440, 1816, 2019, 2043, 2270, 2692, 2724, 3365, 3405, 3632, 4038, 4086, 4540, 5384, 5448, 6057, 6730, 6810, 7264, 8076, 8172, 9080, 10095, 10215, 10768, 10896, 12114, 13460, 13620, 16152, 16344, 18160, 20190, 20430, 21536, 21792, 24228, 26920, 27240, 30285, 32304, 32688, 36320, 40380, 40860, 48456, 53840, 54480, 60570, 64608, 65376, 80760, 81720, 96912, 107680, 108960, 121140, 152771, 161520, 163440, 193824, 242280, 305542, 323040, 326880, 458313, 484560, 611084, 763855, 916626, 969120, 1222168, 1374939, 1527710, 1833252, 2291565, 2444336, 2749878, 3055420, 3666504, 4583130, 4888672, 5499756, 6110840, 6874695, 7333008, 9166260, 10999512, 12221680, 13749390, 14666016, 18332520, 21999024, 24443360, 27498780, 36665040, 43998048, 54997560, 73330080, 109995120, 219990240]

約数ペア:

[(1, 219990240), (2, 109995120), (3, 73330080), (4, 54997560), (5, 43998048), (6, 36665040), (8, 27498780), (9, 24443360), (10, 21999024), (12, 18332520), (15, 14666016), (16, 13749390), (18, 12221680), (20, 10999512), (24, 9166260), (30, 7333008), (32, 6874695), (36, 6110840), (40, 5499756), (45, 4888672), (48, 4583130), (60, 3666504), (72, 3055420), (80, 2749878), (90, 2444336), (96, 2291565), (120, 1833252), (144, 1527710), (160, 1374939), (180, 1222168), (227, 969120), (240, 916626), (288, 763855), (360, 611084), (454, 484560), (480, 458313), (673, 326880), (681, 323040), (720, 305542), (908, 242280), (1135, 193824), (1346, 163440), (1362, 161520), (1440, 152771), (1816, 121140), (2019, 108960), (2043, 107680), (2270, 96912), (2692, 81720), (2724, 80760), (3365, 65376), (3405, 64608), (3632, 60570), (4038, 54480), (4086, 53840), (4540, 48456), (5384, 40860), (5448, 40380), (6057, 36320), (6730, 32688), (6810, 32304), (7264, 30285), (8076, 27240), (8172, 26920), (9080, 24228), (10095, 21792), (10215, 21536), (10768, 20430), (10896, 20190), (12114, 18160), (13460, 16344), (13620, 16152)]