128975400

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{79}}^1\times {\mathrm{907}}^1$

素因数の和:1008

約数の個数: 144

約数和(自身を含む): 439108800

約数和(自身を除く): 310133400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 60, 72, 75, 79, 90, 100, 120, 150, 158, 180, 200, 225, 237, 300, 316, 360, 395, 450, 474, 600, 632, 711, 790, 900, 907, 948, 1185, 1422, 1580, 1800, 1814, 1896, 1975, 2370, 2721, 2844, 3160, 3555, 3628, 3950, 4535, 4740, 5442, 5688, 5925, 7110, 7256, 7900, 8163, 9070, 9480, 10884, 11850, 13605, 14220, 15800, 16326, 17775, 18140, 21768, 22675, 23700, 27210, 28440, 32652, 35550, 36280, 40815, 45350, 47400, 54420, 65304, 68025, 71100, 71653, 81630, 90700, 108840, 136050, 142200, 143306, 163260, 181400, 204075, 214959, 272100, 286612, 326520, 358265, 408150, 429918, 544200, 573224, 644877, 716530, 816300, 859836, 1074795, 1289754, 1433060, 1632600, 1719672, 1791325, 2149590, 2579508, 2866120, 3224385, 3582650, 4299180, 5159016, 5373975, 6448770, 7165300, 8598360, 10747950, 12897540, 14330600, 16121925, 21495900, 25795080, 32243850, 42991800, 64487700, 128975400]

約数ペア:

[(1, 128975400), (2, 64487700), (3, 42991800), (4, 32243850), (5, 25795080), (6, 21495900), (8, 16121925), (9, 14330600), (10, 12897540), (12, 10747950), (15, 8598360), (18, 7165300), (20, 6448770), (24, 5373975), (25, 5159016), (30, 4299180), (36, 3582650), (40, 3224385), (45, 2866120), (50, 2579508), (60, 2149590), (72, 1791325), (75, 1719672), (79, 1632600), (90, 1433060), (100, 1289754), (120, 1074795), (150, 859836), (158, 816300), (180, 716530), (200, 644877), (225, 573224), (237, 544200), (300, 429918), (316, 408150), (360, 358265), (395, 326520), (450, 286612), (474, 272100), (600, 214959), (632, 204075), (711, 181400), (790, 163260), (900, 143306), (907, 142200), (948, 136050), (1185, 108840), (1422, 90700), (1580, 81630), (1800, 71653), (1814, 71100), (1896, 68025), (1975, 65304), (2370, 54420), (2721, 47400), (2844, 45350), (3160, 40815), (3555, 36280), (3628, 35550), (3950, 32652), (4535, 28440), (4740, 27210), (5442, 23700), (5688, 22675), (5925, 21768), (7110, 18140), (7256, 17775), (7900, 16326), (8163, 15800), (9070, 14220), (9480, 13605), (10884, 11850)]