180139260

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{439}}^1\times {\mathrm{977}}^1$

素因数の和:1435

約数の個数: 96

約数和(自身を含む): 578350080

約数和(自身を除く): 398210820

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 439, 878, 977, 1317, 1756, 1954, 2195, 2634, 2931, 3073, 3908, 4390, 4885, 5268, 5862, 6146, 6585, 6839, 8780, 9219, 9770, 11724, 12292, 13170, 13678, 14655, 15365, 18438, 19540, 20517, 26340, 27356, 29310, 30730, 34195, 36876, 41034, 46095, 58620, 61460, 68390, 82068, 92190, 102585, 136780, 184380, 205170, 410340, 428903, 857806, 1286709, 1715612, 2144515, 2573418, 3002321, 4289030, 5146836, 6004642, 6433545, 8578060, 9006963, 12009284, 12867090, 15011605, 18013926, 25734180, 30023210, 36027852, 45034815, 60046420, 90069630, 180139260]

約数ペア:

[(1, 180139260), (2, 90069630), (3, 60046420), (4, 45034815), (5, 36027852), (6, 30023210), (7, 25734180), (10, 18013926), (12, 15011605), (14, 12867090), (15, 12009284), (20, 9006963), (21, 8578060), (28, 6433545), (30, 6004642), (35, 5146836), (42, 4289030), (60, 3002321), (70, 2573418), (84, 2144515), (105, 1715612), (140, 1286709), (210, 857806), (420, 428903), (439, 410340), (878, 205170), (977, 184380), (1317, 136780), (1756, 102585), (1954, 92190), (2195, 82068), (2634, 68390), (2931, 61460), (3073, 58620), (3908, 46095), (4390, 41034), (4885, 36876), (5268, 34195), (5862, 30730), (6146, 29310), (6585, 27356), (6839, 26340), (8780, 20517), (9219, 19540), (9770, 18438), (11724, 15365), (12292, 14655), (13170, 13678)]