128814886400

素因数分解:

$2^9\times 5^2\times {\mathrm{881}}^1\times {\mathrm{11423}}^1$

素因数の和:12332

約数の個数: 120

約数和(自身を含む): 319539173184

約数和(自身を除く): 190724286784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 512, 640, 800, 881, 1280, 1600, 1762, 2560, 3200, 3524, 4405, 6400, 7048, 8810, 11423, 12800, 14096, 17620, 22025, 22846, 28192, 35240, 44050, 45692, 56384, 57115, 70480, 88100, 91384, 112768, 114230, 140960, 176200, 182768, 225536, 228460, 281920, 285575, 352400, 365536, 451072, 456920, 563840, 571150, 704800, 731072, 913840, 1127680, 1142300, 1409600, 1462144, 1827680, 2255360, 2284600, 2819200, 2924288, 3655360, 4569200, 5638400, 5848576, 7310720, 9138400, 10063663, 11276800, 14621440, 18276800, 20127326, 29242880, 36553600, 40254652, 50318315, 73107200, 80509304, 100636630, 146214400, 161018608, 201273260, 251591575, 322037216, 402546520, 503183150, 644074432, 805093040, 1006366300, 1288148864, 1610186080, 2012732600, 2576297728, 3220372160, 4025465200, 5152595456, 6440744320, 8050930400, 12881488640, 16101860800, 25762977280, 32203721600, 64407443200, 128814886400]

約数ペア:

[(1, 128814886400), (2, 64407443200), (4, 32203721600), (5, 25762977280), (8, 16101860800), (10, 12881488640), (16, 8050930400), (20, 6440744320), (25, 5152595456), (32, 4025465200), (40, 3220372160), (50, 2576297728), (64, 2012732600), (80, 1610186080), (100, 1288148864), (128, 1006366300), (160, 805093040), (200, 644074432), (256, 503183150), (320, 402546520), (400, 322037216), (512, 251591575), (640, 201273260), (800, 161018608), (881, 146214400), (1280, 100636630), (1600, 80509304), (1762, 73107200), (2560, 50318315), (3200, 40254652), (3524, 36553600), (4405, 29242880), (6400, 20127326), (7048, 18276800), (8810, 14621440), (11423, 11276800), (12800, 10063663), (14096, 9138400), (17620, 7310720), (22025, 5848576), (22846, 5638400), (28192, 4569200), (35240, 3655360), (44050, 2924288), (45692, 2819200), (56384, 2284600), (57115, 2255360), (70480, 1827680), (88100, 1462144), (91384, 1409600), (112768, 1142300), (114230, 1127680), (140960, 913840), (176200, 731072), (182768, 704800), (225536, 571150), (228460, 563840), (281920, 456920), (285575, 451072), (352400, 365536)]