20215848120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{281}}^1\times {\mathrm{431}}^1$

素因数の和:846

約数の個数: 256

約数和(自身を含む): 66311239680

約数和(自身を除く): 46095391560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 107, 120, 130, 156, 195, 214, 260, 281, 312, 321, 390, 428, 431, 520, 535, 562, 642, 780, 843, 856, 862, 1070, 1124, 1284, 1293, 1391, 1405, 1560, 1605, 1686, 1724, 2140, 2155, 2248, 2568, 2586, 2782, 2810, 3210, 3372, 3448, 3653, 4173, 4215, 4280, 4310, 5172, 5564, 5603, 5620, 6420, 6465, 6744, 6955, 7306, 8346, 8430, 8620, 10344, 10959, 11128, 11206, 11240, 12840, 12930, 13910, 14612, 16692, 16809, 16860, 17240, 18265, 20865, 21918, 22412, 25860, 27820, 28015, 29224, 30067, 33384, 33618, 33720, 36530, 41730, 43836, 44824, 46117, 51720, 54795, 55640, 56030, 60134, 67236, 73060, 83460, 84045, 87672, 90201, 92234, 109590, 112060, 120268, 121111, 134472, 138351, 146120, 150335, 166920, 168090, 180402, 184468, 219180, 224120, 230585, 240536, 242222, 276702, 300670, 336180, 360804, 363333, 368936, 390871, 438360, 451005, 461170, 484444, 553404, 599521, 601340, 605555, 672360, 691755, 721608, 726666, 781742, 902010, 922340, 968888, 1106808, 1172613, 1199042, 1202680, 1211110, 1383510, 1453332, 1563484, 1574443, 1798563, 1804020, 1816665, 1844680, 1954355, 2345226, 2398084, 2422220, 2767020, 2906664, 2997605, 3126968, 3148886, 3597126, 3608040, 3633330, 3908710, 4690452, 4723329, 4796168, 4844440, 5534040, 5863065, 5995210, 6297772, 7194252, 7266660, 7817420, 7872215, 8992815, 9380904, 9446658, 11726130, 11990420, 12595544, 12958877, 14388504, 14533320, 15634840, 15744430, 17985630, 18893316, 23452260, 23616645, 23980840, 25917754, 31488860, 35971260, 37786632, 38876631, 46904520, 47233290, 51835508, 62977720, 64794385, 71942520, 77753262, 94466580, 103671016, 129588770, 155506524, 168465401, 188933160, 194383155, 259177540, 311013048, 336930802, 388766310, 505396203, 518355080, 673861604, 777532620, 842327005, 1010792406, 1347723208, 1555065240, 1684654010, 2021584812, 2526981015, 3369308020, 4043169624, 5053962030, 6738616040, 10107924060, 20215848120]

約数ペア:

[(1, 20215848120), (2, 10107924060), (3, 6738616040), (4, 5053962030), (5, 4043169624), (6, 3369308020), (8, 2526981015), (10, 2021584812), (12, 1684654010), (13, 1555065240), (15, 1347723208), (20, 1010792406), (24, 842327005), (26, 777532620), (30, 673861604), (39, 518355080), (40, 505396203), (52, 388766310), (60, 336930802), (65, 311013048), (78, 259177540), (104, 194383155), (107, 188933160), (120, 168465401), (130, 155506524), (156, 129588770), (195, 103671016), (214, 94466580), (260, 77753262), (281, 71942520), (312, 64794385), (321, 62977720), (390, 51835508), (428, 47233290), (431, 46904520), (520, 38876631), (535, 37786632), (562, 35971260), (642, 31488860), (780, 25917754), (843, 23980840), (856, 23616645), (862, 23452260), (1070, 18893316), (1124, 17985630), (1284, 15744430), (1293, 15634840), (1391, 14533320), (1405, 14388504), (1560, 12958877), (1605, 12595544), (1686, 11990420), (1724, 11726130), (2140, 9446658), (2155, 9380904), (2248, 8992815), (2568, 7872215), (2586, 7817420), (2782, 7266660), (2810, 7194252), (3210, 6297772), (3372, 5995210), (3448, 5863065), (3653, 5534040), (4173, 4844440), (4215, 4796168), (4280, 4723329), (4310, 4690452), (5172, 3908710), (5564, 3633330), (5603, 3608040), (5620, 3597126), (6420, 3148886), (6465, 3126968), (6744, 2997605), (6955, 2906664), (7306, 2767020), (8346, 2422220), (8430, 2398084), (8620, 2345226), (10344, 1954355), (10959, 1844680), (11128, 1816665), (11206, 1804020), (11240, 1798563), (12840, 1574443), (12930, 1563484), (13910, 1453332), (14612, 1383510), (16692, 1211110), (16809, 1202680), (16860, 1199042), (17240, 1172613), (18265, 1106808), (20865, 968888), (21918, 922340), (22412, 902010), (25860, 781742), (27820, 726666), (28015, 721608), (29224, 691755), (30067, 672360), (33384, 605555), (33618, 601340), (33720, 599521), (36530, 553404), (41730, 484444), (43836, 461170), (44824, 451005), (46117, 438360), (51720, 390871), (54795, 368936), (55640, 363333), (56030, 360804), (60134, 336180), (67236, 300670), (73060, 276702), (83460, 242222), (84045, 240536), (87672, 230585), (90201, 224120), (92234, 219180), (109590, 184468), (112060, 180402), (120268, 168090), (121111, 166920), (134472, 150335), (138351, 146120)]