821520720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{83}}^1\times {\mathrm{233}}^1$

素因数の和:394

約数の個数: 240

約数和(自身を含む): 2851692480

約数和(自身を除く): 2030171760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 59, 60, 72, 80, 83, 90, 118, 120, 144, 166, 177, 180, 233, 236, 240, 249, 295, 332, 354, 360, 415, 466, 472, 498, 531, 590, 664, 699, 708, 720, 747, 830, 885, 932, 944, 996, 1062, 1165, 1180, 1245, 1328, 1398, 1416, 1494, 1660, 1770, 1864, 1992, 2097, 2124, 2330, 2360, 2490, 2655, 2796, 2832, 2988, 3320, 3495, 3540, 3728, 3735, 3984, 4194, 4248, 4660, 4720, 4897, 4980, 5310, 5592, 5976, 6640, 6990, 7080, 7470, 8388, 8496, 9320, 9794, 9960, 10485, 10620, 11184, 11952, 13747, 13980, 14160, 14691, 14940, 16776, 18640, 19339, 19588, 19920, 20970, 21240, 24485, 27494, 27960, 29382, 29880, 33552, 38678, 39176, 41241, 41940, 42480, 44073, 48970, 54988, 55920, 58017, 58764, 59760, 68735, 73455, 77356, 78352, 82482, 83880, 88146, 96695, 97940, 109976, 116034, 117528, 123723, 137470, 146910, 154712, 164964, 167760, 174051, 176292, 193390, 195880, 206205, 219952, 220365, 232068, 235056, 247446, 274940, 290085, 293820, 309424, 329928, 348102, 352584, 386780, 391760, 412410, 440730, 464136, 494892, 549880, 580170, 587640, 618615, 659856, 696204, 705168, 773560, 824820, 870255, 881460, 928272, 989784, 1099760, 1141001, 1160340, 1175280, 1237230, 1392408, 1547120, 1649640, 1740510, 1762920, 1979568, 2282002, 2320680, 2474460, 2784816, 3299280, 3423003, 3481020, 3525840, 4564004, 4641360, 4948920, 5705005, 6846006, 6962040, 9128008, 9897840, 10269009, 11410010, 13692012, 13924080, 17115015, 18256016, 20538018, 22820020, 27384024, 34230030, 41076036, 45640040, 51345045, 54768048, 68460060, 82152072, 91280080, 102690090, 136920120, 164304144, 205380180, 273840240, 410760360, 821520720]

約数ペア:

[(1, 821520720), (2, 410760360), (3, 273840240), (4, 205380180), (5, 164304144), (6, 136920120), (8, 102690090), (9, 91280080), (10, 82152072), (12, 68460060), (15, 54768048), (16, 51345045), (18, 45640040), (20, 41076036), (24, 34230030), (30, 27384024), (36, 22820020), (40, 20538018), (45, 18256016), (48, 17115015), (59, 13924080), (60, 13692012), (72, 11410010), (80, 10269009), (83, 9897840), (90, 9128008), (118, 6962040), (120, 6846006), (144, 5705005), (166, 4948920), (177, 4641360), (180, 4564004), (233, 3525840), (236, 3481020), (240, 3423003), (249, 3299280), (295, 2784816), (332, 2474460), (354, 2320680), (360, 2282002), (415, 1979568), (466, 1762920), (472, 1740510), (498, 1649640), (531, 1547120), (590, 1392408), (664, 1237230), (699, 1175280), (708, 1160340), (720, 1141001), (747, 1099760), (830, 989784), (885, 928272), (932, 881460), (944, 870255), (996, 824820), (1062, 773560), (1165, 705168), (1180, 696204), (1245, 659856), (1328, 618615), (1398, 587640), (1416, 580170), (1494, 549880), (1660, 494892), (1770, 464136), (1864, 440730), (1992, 412410), (2097, 391760), (2124, 386780), (2330, 352584), (2360, 348102), (2490, 329928), (2655, 309424), (2796, 293820), (2832, 290085), (2988, 274940), (3320, 247446), (3495, 235056), (3540, 232068), (3728, 220365), (3735, 219952), (3984, 206205), (4194, 195880), (4248, 193390), (4660, 176292), (4720, 174051), (4897, 167760), (4980, 164964), (5310, 154712), (5592, 146910), (5976, 137470), (6640, 123723), (6990, 117528), (7080, 116034), (7470, 109976), (8388, 97940), (8496, 96695), (9320, 88146), (9794, 83880), (9960, 82482), (10485, 78352), (10620, 77356), (11184, 73455), (11952, 68735), (13747, 59760), (13980, 58764), (14160, 58017), (14691, 55920), (14940, 54988), (16776, 48970), (18640, 44073), (19339, 42480), (19588, 41940), (19920, 41241), (20970, 39176), (21240, 38678), (24485, 33552), (27494, 29880), (27960, 29382)]