20729185440

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{52859}}^1$

素因数の和:52939

約数の個数: 192

約数和(自身を含む): 70333401600

約数和(自身を除く): 49604216160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 43, 48, 57, 60, 76, 80, 86, 95, 96, 114, 120, 129, 152, 160, 172, 190, 215, 228, 240, 258, 285, 304, 344, 380, 430, 456, 480, 516, 570, 608, 645, 688, 760, 817, 860, 912, 1032, 1140, 1290, 1376, 1520, 1634, 1720, 1824, 2064, 2280, 2451, 2580, 3040, 3268, 3440, 4085, 4128, 4560, 4902, 5160, 6536, 6880, 8170, 9120, 9804, 10320, 12255, 13072, 16340, 19608, 20640, 24510, 26144, 32680, 39216, 49020, 52859, 65360, 78432, 98040, 105718, 130720, 158577, 196080, 211436, 264295, 317154, 392160, 422872, 528590, 634308, 792885, 845744, 1004321, 1057180, 1268616, 1585770, 1691488, 2008642, 2114360, 2272937, 2537232, 3012963, 3171540, 4017284, 4228720, 4545874, 5021605, 5074464, 6025926, 6343080, 6818811, 8034568, 8457440, 9091748, 10043210, 11364685, 12051852, 12686160, 13637622, 15064815, 16069136, 18183496, 20086420, 22729370, 24103704, 25372320, 27275244, 30129630, 32138272, 34094055, 36366992, 40172840, 43185803, 45458740, 48207408, 54550488, 60259260, 68188110, 72733984, 80345680, 86371606, 90917480, 96414816, 109100976, 120518520, 129557409, 136376220, 160691360, 172743212, 181834960, 215929015, 218201952, 241037040, 259114818, 272752440, 345486424, 363669920, 431858030, 482074080, 518229636, 545504880, 647787045, 690972848, 863716060, 1036459272, 1091009760, 1295574090, 1381945696, 1727432120, 2072918544, 2591148180, 3454864240, 4145837088, 5182296360, 6909728480, 10364592720, 20729185440]

約数ペア:

[(1, 20729185440), (2, 10364592720), (3, 6909728480), (4, 5182296360), (5, 4145837088), (6, 3454864240), (8, 2591148180), (10, 2072918544), (12, 1727432120), (15, 1381945696), (16, 1295574090), (19, 1091009760), (20, 1036459272), (24, 863716060), (30, 690972848), (32, 647787045), (38, 545504880), (40, 518229636), (43, 482074080), (48, 431858030), (57, 363669920), (60, 345486424), (76, 272752440), (80, 259114818), (86, 241037040), (95, 218201952), (96, 215929015), (114, 181834960), (120, 172743212), (129, 160691360), (152, 136376220), (160, 129557409), (172, 120518520), (190, 109100976), (215, 96414816), (228, 90917480), (240, 86371606), (258, 80345680), (285, 72733984), (304, 68188110), (344, 60259260), (380, 54550488), (430, 48207408), (456, 45458740), (480, 43185803), (516, 40172840), (570, 36366992), (608, 34094055), (645, 32138272), (688, 30129630), (760, 27275244), (817, 25372320), (860, 24103704), (912, 22729370), (1032, 20086420), (1140, 18183496), (1290, 16069136), (1376, 15064815), (1520, 13637622), (1634, 12686160), (1720, 12051852), (1824, 11364685), (2064, 10043210), (2280, 9091748), (2451, 8457440), (2580, 8034568), (3040, 6818811), (3268, 6343080), (3440, 6025926), (4085, 5074464), (4128, 5021605), (4560, 4545874), (4902, 4228720), (5160, 4017284), (6536, 3171540), (6880, 3012963), (8170, 2537232), (9120, 2272937), (9804, 2114360), (10320, 2008642), (12255, 1691488), (13072, 1585770), (16340, 1268616), (19608, 1057180), (20640, 1004321), (24510, 845744), (26144, 792885), (32680, 634308), (39216, 528590), (49020, 422872), (52859, 392160), (65360, 317154), (78432, 264295), (98040, 211436), (105718, 196080), (130720, 158577)]