281892508740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1\times {\mathrm{212579}}^1$

素因数の和:212786

約数の個数: 144

約数和(自身を含む): 877479220800

約数和(自身を除く): 595586712060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 53, 60, 90, 106, 139, 159, 180, 212, 265, 278, 318, 417, 477, 530, 556, 636, 695, 795, 834, 954, 1060, 1251, 1390, 1590, 1668, 1908, 2085, 2385, 2502, 2780, 3180, 4170, 4770, 5004, 6255, 7367, 8340, 9540, 12510, 14734, 22101, 25020, 29468, 36835, 44202, 66303, 73670, 88404, 110505, 132606, 147340, 212579, 221010, 265212, 331515, 425158, 442020, 637737, 663030, 850316, 1062895, 1275474, 1326060, 1913211, 2125790, 2550948, 3188685, 3826422, 4251580, 6377370, 7652844, 9566055, 11266687, 12754740, 19132110, 22533374, 29548481, 33800061, 38264220, 45066748, 56333435, 59096962, 67600122, 88645443, 101400183, 112666870, 118193924, 135200244, 147742405, 169000305, 177290886, 202800366, 225333740, 265936329, 295484810, 338000610, 354581772, 405600732, 443227215, 507000915, 531872658, 590969620, 676001220, 886454430, 1014001830, 1063745316, 1329681645, 1566069493, 1772908860, 2028003660, 2659363290, 3132138986, 4698208479, 5318726580, 6264277972, 7830347465, 9396416958, 14094625437, 15660694930, 18792833916, 23491042395, 28189250874, 31321389860, 46982084790, 56378501748, 70473127185, 93964169580, 140946254370, 281892508740]

約数ペア:

[(1, 281892508740), (2, 140946254370), (3, 93964169580), (4, 70473127185), (5, 56378501748), (6, 46982084790), (9, 31321389860), (10, 28189250874), (12, 23491042395), (15, 18792833916), (18, 15660694930), (20, 14094625437), (30, 9396416958), (36, 7830347465), (45, 6264277972), (53, 5318726580), (60, 4698208479), (90, 3132138986), (106, 2659363290), (139, 2028003660), (159, 1772908860), (180, 1566069493), (212, 1329681645), (265, 1063745316), (278, 1014001830), (318, 886454430), (417, 676001220), (477, 590969620), (530, 531872658), (556, 507000915), (636, 443227215), (695, 405600732), (795, 354581772), (834, 338000610), (954, 295484810), (1060, 265936329), (1251, 225333740), (1390, 202800366), (1590, 177290886), (1668, 169000305), (1908, 147742405), (2085, 135200244), (2385, 118193924), (2502, 112666870), (2780, 101400183), (3180, 88645443), (4170, 67600122), (4770, 59096962), (5004, 56333435), (6255, 45066748), (7367, 38264220), (8340, 33800061), (9540, 29548481), (12510, 22533374), (14734, 19132110), (22101, 12754740), (25020, 11266687), (29468, 9566055), (36835, 7652844), (44202, 6377370), (66303, 4251580), (73670, 3826422), (88404, 3188685), (110505, 2550948), (132606, 2125790), (147340, 1913211), (212579, 1326060), (221010, 1275474), (265212, 1062895), (331515, 850316), (425158, 663030), (442020, 637737)]