128144960

素因数分解:

$2^6\times 5^1\times {\mathrm{23}}^2\times {\mathrm{757}}^1$

素因数の和:820

約数の個数: 84

約数和(自身を含む): 319410588

約数和(自身を除く): 191265628

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 160, 184, 230, 320, 368, 460, 529, 736, 757, 920, 1058, 1472, 1514, 1840, 2116, 2645, 3028, 3680, 3785, 4232, 5290, 6056, 7360, 7570, 8464, 10580, 12112, 15140, 16928, 17411, 21160, 24224, 30280, 33856, 34822, 42320, 48448, 60560, 69644, 84640, 87055, 121120, 139288, 169280, 174110, 242240, 278576, 348220, 400453, 557152, 696440, 800906, 1114304, 1392880, 1601812, 2002265, 2785760, 3203624, 4004530, 5571520, 6407248, 8009060, 12814496, 16018120, 25628992, 32036240, 64072480, 128144960]

約数ペア:

[(1, 128144960), (2, 64072480), (4, 32036240), (5, 25628992), (8, 16018120), (10, 12814496), (16, 8009060), (20, 6407248), (23, 5571520), (32, 4004530), (40, 3203624), (46, 2785760), (64, 2002265), (80, 1601812), (92, 1392880), (115, 1114304), (160, 800906), (184, 696440), (230, 557152), (320, 400453), (368, 348220), (460, 278576), (529, 242240), (736, 174110), (757, 169280), (920, 139288), (1058, 121120), (1472, 87055), (1514, 84640), (1840, 69644), (2116, 60560), (2645, 48448), (3028, 42320), (3680, 34822), (3785, 33856), (4232, 30280), (5290, 24224), (6056, 21160), (7360, 17411), (7570, 16928), (8464, 15140), (10580, 12112)]