20408531760

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{683}}^1\times {\mathrm{883}}^1$

素因数の和:1632

約数の個数: 240

約数和(自身を含む): 70178793984

約数和(自身を除く): 49770262224

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 47, 48, 60, 72, 80, 90, 94, 120, 141, 144, 180, 188, 235, 240, 282, 360, 376, 423, 470, 564, 683, 705, 720, 752, 846, 883, 940, 1128, 1366, 1410, 1692, 1766, 1880, 2049, 2115, 2256, 2649, 2732, 2820, 3384, 3415, 3532, 3760, 4098, 4230, 4415, 5298, 5464, 5640, 6147, 6768, 6830, 7064, 7947, 8196, 8460, 8830, 10245, 10596, 10928, 11280, 12294, 13245, 13660, 14128, 15894, 16392, 16920, 17660, 20490, 21192, 24588, 26490, 27320, 30735, 31788, 32101, 32784, 33840, 35320, 39735, 40980, 41501, 42384, 49176, 52980, 54640, 61470, 63576, 64202, 70640, 79470, 81960, 83002, 96303, 98352, 105960, 122940, 124503, 127152, 128404, 158940, 160505, 163920, 166004, 192606, 207505, 211920, 245880, 249006, 256808, 288909, 317880, 321010, 332008, 373509, 385212, 415010, 481515, 491760, 498012, 513616, 577818, 603089, 622515, 635760, 642020, 664016, 747018, 770424, 830020, 963030, 996024, 1155636, 1206178, 1245030, 1284040, 1444545, 1494036, 1540848, 1660040, 1809267, 1867545, 1926060, 1992048, 2311272, 2412356, 2490060, 2568080, 2889090, 2988072, 3015445, 3320080, 3618534, 3735090, 3852120, 4622544, 4824712, 4980120, 5427801, 5778180, 5976144, 6030890, 7237068, 7470180, 7704240, 9046335, 9649424, 9960240, 10855602, 11556360, 12061780, 14474136, 14940360, 18092670, 21711204, 23112720, 24123560, 27139005, 28345183, 28948272, 29880720, 36185340, 43422408, 48247120, 54278010, 56690366, 72370680, 85035549, 86844816, 108556020, 113380732, 141725915, 144741360, 170071098, 217112040, 226761464, 255106647, 283451830, 340142196, 425177745, 434224080, 453522928, 510213294, 566903660, 680284392, 850355490, 1020426588, 1133807320, 1275533235, 1360568784, 1700710980, 2040853176, 2267614640, 2551066470, 3401421960, 4081706352, 5102132940, 6802843920, 10204265880, 20408531760]

約数ペア:

[(1, 20408531760), (2, 10204265880), (3, 6802843920), (4, 5102132940), (5, 4081706352), (6, 3401421960), (8, 2551066470), (9, 2267614640), (10, 2040853176), (12, 1700710980), (15, 1360568784), (16, 1275533235), (18, 1133807320), (20, 1020426588), (24, 850355490), (30, 680284392), (36, 566903660), (40, 510213294), (45, 453522928), (47, 434224080), (48, 425177745), (60, 340142196), (72, 283451830), (80, 255106647), (90, 226761464), (94, 217112040), (120, 170071098), (141, 144741360), (144, 141725915), (180, 113380732), (188, 108556020), (235, 86844816), (240, 85035549), (282, 72370680), (360, 56690366), (376, 54278010), (423, 48247120), (470, 43422408), (564, 36185340), (683, 29880720), (705, 28948272), (720, 28345183), (752, 27139005), (846, 24123560), (883, 23112720), (940, 21711204), (1128, 18092670), (1366, 14940360), (1410, 14474136), (1692, 12061780), (1766, 11556360), (1880, 10855602), (2049, 9960240), (2115, 9649424), (2256, 9046335), (2649, 7704240), (2732, 7470180), (2820, 7237068), (3384, 6030890), (3415, 5976144), (3532, 5778180), (3760, 5427801), (4098, 4980120), (4230, 4824712), (4415, 4622544), (5298, 3852120), (5464, 3735090), (5640, 3618534), (6147, 3320080), (6768, 3015445), (6830, 2988072), (7064, 2889090), (7947, 2568080), (8196, 2490060), (8460, 2412356), (8830, 2311272), (10245, 1992048), (10596, 1926060), (10928, 1867545), (11280, 1809267), (12294, 1660040), (13245, 1540848), (13660, 1494036), (14128, 1444545), (15894, 1284040), (16392, 1245030), (16920, 1206178), (17660, 1155636), (20490, 996024), (21192, 963030), (24588, 830020), (26490, 770424), (27320, 747018), (30735, 664016), (31788, 642020), (32101, 635760), (32784, 622515), (33840, 603089), (35320, 577818), (39735, 513616), (40980, 498012), (41501, 491760), (42384, 481515), (49176, 415010), (52980, 385212), (54640, 373509), (61470, 332008), (63576, 321010), (64202, 317880), (70640, 288909), (79470, 256808), (81960, 249006), (83002, 245880), (96303, 211920), (98352, 207505), (105960, 192606), (122940, 166004), (124503, 163920), (127152, 160505), (128404, 158940)]