1247938020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{859}}^1\times {\mathrm{1153}}^1$

素因数の和:2034

約数の個数: 144

約数和(自身を含む): 4334977920

約数和(自身を除く): 3087039900

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 859, 1153, 1260, 1718, 2306, 2577, 3436, 3459, 4295, 4612, 5154, 5765, 6013, 6918, 7731, 8071, 8590, 10308, 10377, 11530, 12026, 12885, 13836, 15462, 16142, 17180, 17295, 18039, 20754, 23060, 24052, 24213, 25770, 30065, 30924, 32284, 34590, 36078, 38655, 40355, 41508, 48426, 51540, 51885, 54117, 60130, 69180, 72156, 72639, 77310, 80710, 90195, 96852, 103770, 108234, 120260, 121065, 145278, 154620, 161420, 180390, 207540, 216468, 242130, 270585, 290556, 360780, 363195, 484260, 541170, 726390, 990427, 1082340, 1452780, 1980854, 2971281, 3961708, 4952135, 5942562, 6932989, 8913843, 9904270, 11885124, 13865978, 14856405, 17827686, 19808540, 20798967, 27731956, 29712810, 34664945, 35655372, 41597934, 44569215, 59425620, 62396901, 69329890, 83195868, 89138430, 103994835, 124793802, 138659780, 178276860, 207989670, 249587604, 311984505, 415979340, 623969010, 1247938020]

約数ペア:

[(1, 1247938020), (2, 623969010), (3, 415979340), (4, 311984505), (5, 249587604), (6, 207989670), (7, 178276860), (9, 138659780), (10, 124793802), (12, 103994835), (14, 89138430), (15, 83195868), (18, 69329890), (20, 62396901), (21, 59425620), (28, 44569215), (30, 41597934), (35, 35655372), (36, 34664945), (42, 29712810), (45, 27731956), (60, 20798967), (63, 19808540), (70, 17827686), (84, 14856405), (90, 13865978), (105, 11885124), (126, 9904270), (140, 8913843), (180, 6932989), (210, 5942562), (252, 4952135), (315, 3961708), (420, 2971281), (630, 1980854), (859, 1452780), (1153, 1082340), (1260, 990427), (1718, 726390), (2306, 541170), (2577, 484260), (3436, 363195), (3459, 360780), (4295, 290556), (4612, 270585), (5154, 242130), (5765, 216468), (6013, 207540), (6918, 180390), (7731, 161420), (8071, 154620), (8590, 145278), (10308, 121065), (10377, 120260), (11530, 108234), (12026, 103770), (12885, 96852), (13836, 90195), (15462, 80710), (16142, 77310), (17180, 72639), (17295, 72156), (18039, 69180), (20754, 60130), (23060, 54117), (24052, 51885), (24213, 51540), (25770, 48426), (30065, 41508), (30924, 40355), (32284, 38655), (34590, 36078)]