128384760

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{152839}}^1$

素因数の和:152860

約数の個数: 64

約数和(自身を含む): 440179200

約数和(自身を除く): 311794440

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, 152839, 305678, 458517, 611356, 764195, 917034, 1069873, 1222712, 1528390, 1834068, 2139746, 2292585, 3056780, 3209619, 3668136, 4279492, 4585170, 5349365, 6113560, 6419238, 8558984, 9170340, 10698730, 12838476, 16048095, 18340680, 21397460, 25676952, 32096190, 42794920, 64192380, 128384760]

約数ペア:

[(1, 128384760), (2, 64192380), (3, 42794920), (4, 32096190), (5, 25676952), (6, 21397460), (7, 18340680), (8, 16048095), (10, 12838476), (12, 10698730), (14, 9170340), (15, 8558984), (20, 6419238), (21, 6113560), (24, 5349365), (28, 4585170), (30, 4279492), (35, 3668136), (40, 3209619), (42, 3056780), (56, 2292585), (60, 2139746), (70, 1834068), (84, 1528390), (105, 1222712), (120, 1069873), (140, 917034), (168, 764195), (210, 611356), (280, 458517), (420, 305678), (840, 152839)]