20287200

素因数分解:

$2^5\times 3^1\times 5^2\times {\mathrm{79}}^1\times {\mathrm{107}}^1$

素因数の和:209

約数の個数: 144

約数和(自身を含む): 67495680

約数和(自身を除く): 47208480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 75, 79, 80, 96, 100, 107, 120, 150, 158, 160, 200, 214, 237, 240, 300, 316, 321, 395, 400, 428, 474, 480, 535, 600, 632, 642, 790, 800, 856, 948, 1070, 1185, 1200, 1264, 1284, 1580, 1605, 1712, 1896, 1975, 2140, 2370, 2400, 2528, 2568, 2675, 3160, 3210, 3424, 3792, 3950, 4280, 4740, 5136, 5350, 5925, 6320, 6420, 7584, 7900, 8025, 8453, 8560, 9480, 10272, 10700, 11850, 12640, 12840, 15800, 16050, 16906, 17120, 18960, 21400, 23700, 25359, 25680, 31600, 32100, 33812, 37920, 42265, 42800, 47400, 50718, 51360, 63200, 64200, 67624, 84530, 85600, 94800, 101436, 126795, 128400, 135248, 169060, 189600, 202872, 211325, 253590, 256800, 270496, 338120, 405744, 422650, 507180, 633975, 676240, 811488, 845300, 1014360, 1267950, 1352480, 1690600, 2028720, 2535900, 3381200, 4057440, 5071800, 6762400, 10143600, 20287200]

約数ペア:

[(1, 20287200), (2, 10143600), (3, 6762400), (4, 5071800), (5, 4057440), (6, 3381200), (8, 2535900), (10, 2028720), (12, 1690600), (15, 1352480), (16, 1267950), (20, 1014360), (24, 845300), (25, 811488), (30, 676240), (32, 633975), (40, 507180), (48, 422650), (50, 405744), (60, 338120), (75, 270496), (79, 256800), (80, 253590), (96, 211325), (100, 202872), (107, 189600), (120, 169060), (150, 135248), (158, 128400), (160, 126795), (200, 101436), (214, 94800), (237, 85600), (240, 84530), (300, 67624), (316, 64200), (321, 63200), (395, 51360), (400, 50718), (428, 47400), (474, 42800), (480, 42265), (535, 37920), (600, 33812), (632, 32100), (642, 31600), (790, 25680), (800, 25359), (856, 23700), (948, 21400), (1070, 18960), (1185, 17120), (1200, 16906), (1264, 16050), (1284, 15800), (1580, 12840), (1605, 12640), (1712, 11850), (1896, 10700), (1975, 10272), (2140, 9480), (2370, 8560), (2400, 8453), (2528, 8025), (2568, 7900), (2675, 7584), (3160, 6420), (3210, 6320), (3424, 5925), (3792, 5350), (3950, 5136), (4280, 4740)]