261851136000

素因数分解:

$2^{14}\times 3^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1$

素因数の和:195

約数の個数: 960

約数和(自身を含む): 971622812160

約数和(自身を除く): 709771676160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 23, 24, 25, 30, 32, 34, 40, 46, 48, 50, 51, 60, 64, 68, 69, 75, 80, 85, 92, 96, 100, 102, 109, 115, 120, 125, 128, 136, 138, 150, 160, 170, 184, 192, 200, 204, 218, 230, 240, 250, 255, 256, 272, 276, 300, 320, 327, 340, 345, 368, 375, 384, 391, 400, 408, 425, 436, 460, 480, 500, 510, 512, 544, 545, 552, 575, 600, 640, 654, 680, 690, 736, 750, 768, 782, 800, 816, 850, 872, 920, 960, 1000, 1020, 1024, 1088, 1090, 1104, 1150, 1173, 1200, 1275, 1280, 1308, 1360, 1380, 1472, 1500, 1536, 1564, 1600, 1632, 1635, 1700, 1725, 1744, 1840, 1853, 1920, 1955, 2000, 2040, 2048, 2125, 2176, 2180, 2208, 2300, 2346, 2400, 2507, 2550, 2560, 2616, 2720, 2725, 2760, 2875, 2944, 3000, 3072, 3128, 3200, 3264, 3270, 3400, 3450, 3488, 3680, 3706, 3840, 3910, 4000, 4080, 4096, 4250, 4352, 4360, 4416, 4600, 4692, 4800, 5014, 5100, 5120, 5232, 5440, 5450, 5520, 5559, 5750, 5865, 5888, 6000, 6144, 6256, 6375, 6400, 6528, 6540, 6800, 6900, 6976, 7360, 7412, 7521, 7680, 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約数ペア:

[(1, 261851136000), (2, 130925568000), (3, 87283712000), (4, 65462784000), (5, 52370227200), (6, 43641856000), (8, 32731392000), (10, 26185113600), (12, 21820928000), (15, 17456742400), (16, 16365696000), (17, 15403008000), (20, 13092556800), (23, 11384832000), (24, 10910464000), (25, 10474045440), (30, 8728371200), (32, 8182848000), (34, 7701504000), (40, 6546278400), (46, 5692416000), (48, 5455232000), (50, 5237022720), (51, 5134336000), (60, 4364185600), (64, 4091424000), (68, 3850752000), (69, 3794944000), (75, 3491348480), (80, 3273139200), (85, 3080601600), (92, 2846208000), (96, 2727616000), (100, 2618511360), (102, 2567168000), (109, 2402304000), (115, 2276966400), (120, 2182092800), (125, 2094809088), (128, 2045712000), (136, 1925376000), (138, 1897472000), (150, 1745674240), (160, 1636569600), (170, 1540300800), (184, 1423104000), (192, 1363808000), (200, 1309255680), (204, 1283584000), (218, 1201152000), (230, 1138483200), (240, 1091046400), (250, 1047404544), (255, 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