7123670680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{15991}}^1$

素因数の和:16089

約数の個数: 128

約数和(自身を含む): 19251809280

約数和(自身を除く): 12128138600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 43, 56, 70, 74, 86, 140, 148, 172, 185, 215, 259, 280, 296, 301, 344, 370, 430, 518, 602, 740, 860, 1036, 1204, 1295, 1480, 1505, 1591, 1720, 2072, 2408, 2590, 3010, 3182, 5180, 6020, 6364, 7955, 10360, 11137, 12040, 12728, 15910, 15991, 22274, 31820, 31982, 44548, 55685, 63640, 63964, 79955, 89096, 111370, 111937, 127928, 159910, 222740, 223874, 319820, 445480, 447748, 559685, 591667, 639640, 687613, 895496, 1119370, 1183334, 1375226, 2238740, 2366668, 2750452, 2958335, 3438065, 4141669, 4477480, 4733336, 4813291, 5500904, 5916670, 6876130, 8283338, 9626582, 11833340, 13752260, 16566676, 19253164, 20708345, 23666680, 24066455, 25441681, 27504520, 33133352, 38506328, 41416690, 48132910, 50883362, 82833380, 96265820, 101766724, 127208405, 165666760, 178091767, 192531640, 203533448, 254416810, 356183534, 508833620, 712367068, 890458835, 1017667240, 1424734136, 1780917670, 3561835340, 7123670680]

約数ペア:

[(1, 7123670680), (2, 3561835340), (4, 1780917670), (5, 1424734136), (7, 1017667240), (8, 890458835), (10, 712367068), (14, 508833620), (20, 356183534), (28, 254416810), (35, 203533448), (37, 192531640), (40, 178091767), (43, 165666760), (56, 127208405), (70, 101766724), (74, 96265820), (86, 82833380), (140, 50883362), (148, 48132910), (172, 41416690), (185, 38506328), (215, 33133352), (259, 27504520), (280, 25441681), (296, 24066455), (301, 23666680), (344, 20708345), (370, 19253164), (430, 16566676), (518, 13752260), (602, 11833340), (740, 9626582), (860, 8283338), (1036, 6876130), (1204, 5916670), (1295, 5500904), (1480, 4813291), (1505, 4733336), (1591, 4477480), (1720, 4141669), (2072, 3438065), (2408, 2958335), (2590, 2750452), (3010, 2366668), (3182, 2238740), (5180, 1375226), (6020, 1183334), (6364, 1119370), (7955, 895496), (10360, 687613), (11137, 639640), (12040, 591667), (12728, 559685), (15910, 447748), (15991, 445480), (22274, 319820), (31820, 223874), (31982, 222740), (44548, 159910), (55685, 127928), (63640, 111937), (63964, 111370), (79955, 89096)]