2851704540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{293}}^1\times {\mathrm{389}}^1$

素因数の和:836

約数の個数: 144

約数和(自身を含む): 8764610400

約数和(自身を除く): 5912905860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 139, 180, 278, 293, 389, 417, 556, 586, 695, 778, 834, 879, 1167, 1172, 1251, 1390, 1465, 1556, 1668, 1758, 1945, 2085, 2334, 2502, 2637, 2780, 2930, 3501, 3516, 3890, 4170, 4395, 4668, 5004, 5274, 5835, 5860, 6255, 7002, 7780, 8340, 8790, 10548, 11670, 12510, 13185, 14004, 17505, 17580, 23340, 25020, 26370, 35010, 40727, 52740, 54071, 70020, 81454, 108142, 113977, 122181, 162213, 162908, 203635, 216284, 227954, 244362, 270355, 324426, 341931, 366543, 407270, 455908, 486639, 488724, 540710, 569885, 610905, 648852, 683862, 733086, 811065, 814540, 973278, 1025793, 1081420, 1139770, 1221810, 1367724, 1466172, 1622130, 1709655, 1832715, 1946556, 2051586, 2279540, 2433195, 2443620, 3244260, 3419310, 3665430, 4103172, 4866390, 5128965, 6838620, 7330860, 9732780, 10257930, 15842803, 20515860, 31685606, 47528409, 63371212, 79214015, 95056818, 142585227, 158428030, 190113636, 237642045, 285170454, 316856060, 475284090, 570340908, 712926135, 950568180, 1425852270, 2851704540]

約数ペア:

[(1, 2851704540), (2, 1425852270), (3, 950568180), (4, 712926135), (5, 570340908), (6, 475284090), (9, 316856060), (10, 285170454), (12, 237642045), (15, 190113636), (18, 158428030), (20, 142585227), (30, 95056818), (36, 79214015), (45, 63371212), (60, 47528409), (90, 31685606), (139, 20515860), (180, 15842803), (278, 10257930), (293, 9732780), (389, 7330860), (417, 6838620), (556, 5128965), (586, 4866390), (695, 4103172), (778, 3665430), (834, 3419310), (879, 3244260), (1167, 2443620), (1172, 2433195), (1251, 2279540), (1390, 2051586), (1465, 1946556), (1556, 1832715), (1668, 1709655), (1758, 1622130), (1945, 1466172), (2085, 1367724), (2334, 1221810), (2502, 1139770), (2637, 1081420), (2780, 1025793), (2930, 973278), (3501, 814540), (3516, 811065), (3890, 733086), (4170, 683862), (4395, 648852), (4668, 610905), (5004, 569885), (5274, 540710), (5835, 488724), (5860, 486639), (6255, 455908), (7002, 407270), (7780, 366543), (8340, 341931), (8790, 324426), (10548, 270355), (11670, 244362), (12510, 227954), (13185, 216284), (14004, 203635), (17505, 162908), (17580, 162213), (23340, 122181), (25020, 113977), (26370, 108142), (35010, 81454), (40727, 70020), (52740, 54071)]