68754400

素因数分解:

$2^5\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{601}}^1$

素因数の和:645

約数の個数: 144

約数和(自身を含む): 197518608

約数和(自身を除く): 128764208

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 25, 26, 32, 40, 44, 50, 52, 55, 65, 80, 88, 100, 104, 110, 130, 143, 160, 176, 200, 208, 220, 260, 275, 286, 325, 352, 400, 416, 440, 520, 550, 572, 601, 650, 715, 800, 880, 1040, 1100, 1144, 1202, 1300, 1430, 1760, 2080, 2200, 2288, 2404, 2600, 2860, 3005, 3575, 4400, 4576, 4808, 5200, 5720, 6010, 6611, 7150, 7813, 8800, 9616, 10400, 11440, 12020, 13222, 14300, 15025, 15626, 19232, 22880, 24040, 26444, 28600, 30050, 31252, 33055, 39065, 48080, 52888, 57200, 60100, 62504, 66110, 78130, 85943, 96160, 105776, 114400, 120200, 125008, 132220, 156260, 165275, 171886, 195325, 211552, 240400, 250016, 264440, 312520, 330550, 343772, 390650, 429715, 480800, 528880, 625040, 661100, 687544, 781300, 859430, 1057760, 1250080, 1322200, 1375088, 1562600, 1718860, 2148575, 2644400, 2750176, 3125200, 3437720, 4297150, 5288800, 6250400, 6875440, 8594300, 13750880, 17188600, 34377200, 68754400]

約数ペア:

[(1, 68754400), (2, 34377200), (4, 17188600), (5, 13750880), (8, 8594300), (10, 6875440), (11, 6250400), (13, 5288800), (16, 4297150), (20, 3437720), (22, 3125200), (25, 2750176), (26, 2644400), (32, 2148575), (40, 1718860), (44, 1562600), (50, 1375088), (52, 1322200), (55, 1250080), (65, 1057760), (80, 859430), (88, 781300), (100, 687544), (104, 661100), (110, 625040), (130, 528880), (143, 480800), (160, 429715), (176, 390650), (200, 343772), (208, 330550), (220, 312520), (260, 264440), (275, 250016), (286, 240400), (325, 211552), (352, 195325), (400, 171886), (416, 165275), (440, 156260), (520, 132220), (550, 125008), (572, 120200), (601, 114400), (650, 105776), (715, 96160), (800, 85943), (880, 78130), (1040, 66110), (1100, 62504), (1144, 60100), (1202, 57200), (1300, 52888), (1430, 48080), (1760, 39065), (2080, 33055), (2200, 31252), (2288, 30050), (2404, 28600), (2600, 26444), (2860, 24040), (3005, 22880), (3575, 19232), (4400, 15626), (4576, 15025), (4808, 14300), (5200, 13222), (5720, 12020), (6010, 11440), (6611, 10400), (7150, 9616), (7813, 8800)]