138464760

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{164839}}^1$

素因数の和:164860

約数の個数: 64

約数和(自身を含む): 474739200

約数和(自身を除く): 336274440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 164839, 329678, 494517, 659356, 824195, 989034, 1153873, 1318712, 1648390, 1978068, 2307746, 2472585, 3296780, 3461619, 3956136, 4615492, 4945170, 5769365, 6593560, 6923238, 9230984, 9890340, 11538730, 13846476, 17308095, 19780680, 23077460, 27692952, 34616190, 46154920, 69232380, 138464760]

約数ペア:

[(1, 138464760), (2, 69232380), (3, 46154920), (4, 34616190), (5, 27692952), (6, 23077460), (7, 19780680), (8, 17308095), (10, 13846476), (12, 11538730), (14, 9890340), (15, 9230984), (20, 6923238), (21, 6593560), (24, 5769365), (28, 4945170), (30, 4615492), (35, 3956136), (40, 3461619), (42, 3296780), (56, 2472585), (60, 2307746), (70, 1978068), (84, 1648390), (105, 1318712), (120, 1153873), (140, 989034), (168, 824195), (210, 659356), (280, 494517), (420, 329678), (840, 164839)]