1808626560

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{72461}}^1$

素因数の和:72496

約数の個数: 128

約数和(自身を含む): 6208544160

約数和(自身を除く): 4399917600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 128, 130, 156, 160, 192, 195, 208, 240, 260, 312, 320, 384, 390, 416, 480, 520, 624, 640, 780, 832, 960, 1040, 1248, 1560, 1664, 1920, 2080, 2496, 3120, 4160, 4992, 6240, 8320, 12480, 24960, 72461, 144922, 217383, 289844, 362305, 434766, 579688, 724610, 869532, 941993, 1086915, 1159376, 1449220, 1739064, 1883986, 2173830, 2318752, 2825979, 2898440, 3478128, 3767972, 4347660, 4637504, 4709965, 5651958, 5796880, 6956256, 7535944, 8695320, 9275008, 9419930, 11303916, 11593760, 13912512, 14129895, 15071888, 17390640, 18839860, 22607832, 23187520, 27825024, 28259790, 30143776, 34781280, 37679720, 45215664, 46375040, 56519580, 60287552, 69562560, 75359440, 90431328, 113039160, 120575104, 139125120, 150718880, 180862656, 226078320, 301437760, 361725312, 452156640, 602875520, 904313280, 1808626560]

約数ペア:

[(1, 1808626560), (2, 904313280), (3, 602875520), (4, 452156640), (5, 361725312), (6, 301437760), (8, 226078320), (10, 180862656), (12, 150718880), (13, 139125120), (15, 120575104), (16, 113039160), (20, 90431328), (24, 75359440), (26, 69562560), (30, 60287552), (32, 56519580), (39, 46375040), (40, 45215664), (48, 37679720), (52, 34781280), (60, 30143776), (64, 28259790), (65, 27825024), (78, 23187520), (80, 22607832), (96, 18839860), (104, 17390640), (120, 15071888), (128, 14129895), (130, 13912512), (156, 11593760), (160, 11303916), (192, 9419930), (195, 9275008), (208, 8695320), (240, 7535944), (260, 6956256), (312, 5796880), (320, 5651958), (384, 4709965), (390, 4637504), (416, 4347660), (480, 3767972), (520, 3478128), (624, 2898440), (640, 2825979), (780, 2318752), (832, 2173830), (960, 1883986), (1040, 1739064), (1248, 1449220), (1560, 1159376), (1664, 1086915), (1920, 941993), (2080, 869532), (2496, 724610), (3120, 579688), (4160, 434766), (4992, 362305), (6240, 289844), (8320, 217383), (12480, 144922), (24960, 72461)]