247368660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{7649}}^1$

素因数の和:7686

約数の個数: 144

約数和(自身を含む): 879076800

約数和(自身を除く): 631708140

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 30, 33, 35, 42, 44, 49, 55, 60, 66, 70, 77, 84, 98, 105, 110, 132, 140, 147, 154, 165, 196, 210, 220, 231, 245, 294, 308, 330, 385, 420, 462, 490, 539, 588, 660, 735, 770, 924, 980, 1078, 1155, 1470, 1540, 1617, 2156, 2310, 2695, 2940, 3234, 4620, 5390, 6468, 7649, 8085, 10780, 15298, 16170, 22947, 30596, 32340, 38245, 45894, 53543, 76490, 84139, 91788, 107086, 114735, 152980, 160629, 168278, 214172, 229470, 252417, 267715, 321258, 336556, 374801, 420695, 458940, 504834, 535430, 588973, 642516, 749602, 803145, 841390, 1009668, 1070860, 1124403, 1177946, 1262085, 1499204, 1606290, 1682780, 1766919, 1874005, 2248806, 2355892, 2524170, 2944865, 3212580, 3533838, 3748010, 4122811, 4497612, 5048340, 5622015, 5889730, 7067676, 7496020, 8245622, 8834595, 11244030, 11779460, 12368433, 16491244, 17669190, 20614055, 22488060, 24736866, 35338380, 41228110, 49473732, 61842165, 82456220, 123684330, 247368660]

約数ペア:

[(1, 247368660), (2, 123684330), (3, 82456220), (4, 61842165), (5, 49473732), (6, 41228110), (7, 35338380), (10, 24736866), (11, 22488060), (12, 20614055), (14, 17669190), (15, 16491244), (20, 12368433), (21, 11779460), (22, 11244030), (28, 8834595), (30, 8245622), (33, 7496020), (35, 7067676), (42, 5889730), (44, 5622015), (49, 5048340), (55, 4497612), (60, 4122811), (66, 3748010), (70, 3533838), (77, 3212580), (84, 2944865), (98, 2524170), (105, 2355892), (110, 2248806), (132, 1874005), (140, 1766919), (147, 1682780), (154, 1606290), (165, 1499204), (196, 1262085), (210, 1177946), (220, 1124403), (231, 1070860), (245, 1009668), (294, 841390), (308, 803145), (330, 749602), (385, 642516), (420, 588973), (462, 535430), (490, 504834), (539, 458940), (588, 420695), (660, 374801), (735, 336556), (770, 321258), (924, 267715), (980, 252417), (1078, 229470), (1155, 214172), (1470, 168278), (1540, 160629), (1617, 152980), (2156, 114735), (2310, 107086), (2695, 91788), (2940, 84139), (3234, 76490), (4620, 53543), (5390, 45894), (6468, 38245), (7649, 32340), (8085, 30596), (10780, 22947), (15298, 16170)]