128691840

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{691}}^1$

素因数の和:810

約数の個数: 128

約数和(自身を含む): 415033920

約数和(自身を除く): 286342080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 97, 120, 128, 160, 192, 194, 240, 291, 320, 384, 388, 480, 485, 582, 640, 691, 776, 960, 970, 1164, 1382, 1455, 1552, 1920, 1940, 2073, 2328, 2764, 2910, 3104, 3455, 3880, 4146, 4656, 5528, 5820, 6208, 6910, 7760, 8292, 9312, 10365, 11056, 11640, 12416, 13820, 15520, 16584, 18624, 20730, 22112, 23280, 27640, 31040, 33168, 37248, 41460, 44224, 46560, 55280, 62080, 66336, 67027, 82920, 88448, 93120, 110560, 132672, 134054, 165840, 186240, 201081, 221120, 265344, 268108, 331680, 335135, 402162, 442240, 536216, 663360, 670270, 804324, 1005405, 1072432, 1326720, 1340540, 1608648, 2010810, 2144864, 2681080, 3217296, 4021620, 4289728, 5362160, 6434592, 8043240, 8579456, 10724320, 12869184, 16086480, 21448640, 25738368, 32172960, 42897280, 64345920, 128691840]

約数ペア:

[(1, 128691840), (2, 64345920), (3, 42897280), (4, 32172960), (5, 25738368), (6, 21448640), (8, 16086480), (10, 12869184), (12, 10724320), (15, 8579456), (16, 8043240), (20, 6434592), (24, 5362160), (30, 4289728), (32, 4021620), (40, 3217296), (48, 2681080), (60, 2144864), (64, 2010810), (80, 1608648), (96, 1340540), (97, 1326720), (120, 1072432), (128, 1005405), (160, 804324), (192, 670270), (194, 663360), (240, 536216), (291, 442240), (320, 402162), (384, 335135), (388, 331680), (480, 268108), (485, 265344), (582, 221120), (640, 201081), (691, 186240), (776, 165840), (960, 134054), (970, 132672), (1164, 110560), (1382, 93120), (1455, 88448), (1552, 82920), (1920, 67027), (1940, 66336), (2073, 62080), (2328, 55280), (2764, 46560), (2910, 44224), (3104, 41460), (3455, 37248), (3880, 33168), (4146, 31040), (4656, 27640), (5528, 23280), (5820, 22112), (6208, 20730), (6910, 18624), (7760, 16584), (8292, 15520), (9312, 13820), (10365, 12416), (11056, 11640)]