20470828680

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{170761}}^1$

素因数の和:170821

約数の個数: 160

約数和(自身を含む): 70664730840

約数和(自身を除く): 50193902160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 37, 40, 45, 54, 60, 72, 74, 81, 90, 108, 111, 120, 135, 148, 162, 180, 185, 216, 222, 270, 296, 324, 333, 360, 370, 405, 444, 540, 555, 648, 666, 740, 810, 888, 999, 1080, 1110, 1332, 1480, 1620, 1665, 1998, 2220, 2664, 2997, 3240, 3330, 3996, 4440, 4995, 5994, 6660, 7992, 9990, 11988, 13320, 14985, 19980, 23976, 29970, 39960, 59940, 119880, 170761, 341522, 512283, 683044, 853805, 1024566, 1366088, 1536849, 1707610, 2049132, 2561415, 3073698, 3415220, 4098264, 4610547, 5122830, 6147396, 6318157, 6830440, 7684245, 9221094, 10245660, 12294792, 12636314, 13831641, 15368490, 18442188, 18954471, 20491320, 23052735, 25272628, 27663282, 30736980, 31590785, 36884376, 37908942, 46105470, 50545256, 55326564, 56863413, 61473960, 63181570, 69158205, 75817884, 92210940, 94772355, 110653128, 113726826, 126363140, 138316410, 151635768, 170590239, 184421880, 189544710, 227453652, 252726280, 276632820, 284317065, 341180478, 379089420, 454907304, 511770717, 553265640, 568634130, 682360956, 758178840, 852951195, 1023541434, 1137268260, 1364721912, 1705902390, 2047082868, 2274536520, 2558853585, 3411804780, 4094165736, 5117707170, 6823609560, 10235414340, 20470828680]

約数ペア:

[(1, 20470828680), (2, 10235414340), (3, 6823609560), (4, 5117707170), (5, 4094165736), (6, 3411804780), (8, 2558853585), (9, 2274536520), (10, 2047082868), (12, 1705902390), (15, 1364721912), (18, 1137268260), (20, 1023541434), (24, 852951195), (27, 758178840), (30, 682360956), (36, 568634130), (37, 553265640), (40, 511770717), (45, 454907304), (54, 379089420), (60, 341180478), (72, 284317065), (74, 276632820), (81, 252726280), (90, 227453652), (108, 189544710), (111, 184421880), (120, 170590239), (135, 151635768), (148, 138316410), (162, 126363140), (180, 113726826), (185, 110653128), (216, 94772355), (222, 92210940), (270, 75817884), (296, 69158205), (324, 63181570), (333, 61473960), (360, 56863413), (370, 55326564), (405, 50545256), (444, 46105470), (540, 37908942), (555, 36884376), (648, 31590785), (666, 30736980), (740, 27663282), (810, 25272628), (888, 23052735), (999, 20491320), (1080, 18954471), (1110, 18442188), (1332, 15368490), (1480, 13831641), (1620, 12636314), (1665, 12294792), (1998, 10245660), (2220, 9221094), (2664, 7684245), (2997, 6830440), (3240, 6318157), (3330, 6147396), (3996, 5122830), (4440, 4610547), (4995, 4098264), (5994, 3415220), (6660, 3073698), (7992, 2561415), (9990, 2049132), (11988, 1707610), (13320, 1536849), (14985, 1366088), (19980, 1024566), (23976, 853805), (29970, 683044), (39960, 512283), (59940, 341522), (119880, 170761)]