1555759520

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{2521}}^1$

素因数の和:2591

約数の個数: 192

約数和(自身を含む): 4575916800

約数和(自身を除く): 3020157280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 29, 32, 35, 38, 40, 56, 58, 70, 76, 80, 95, 112, 116, 133, 140, 145, 152, 160, 190, 203, 224, 232, 266, 280, 290, 304, 380, 406, 464, 532, 551, 560, 580, 608, 665, 760, 812, 928, 1015, 1064, 1102, 1120, 1160, 1330, 1520, 1624, 2030, 2128, 2204, 2320, 2521, 2660, 2755, 3040, 3248, 3857, 4060, 4256, 4408, 4640, 5042, 5320, 5510, 6496, 7714, 8120, 8816, 10084, 10640, 11020, 12605, 15428, 16240, 17632, 17647, 19285, 20168, 21280, 22040, 25210, 30856, 32480, 35294, 38570, 40336, 44080, 47899, 50420, 61712, 70588, 73109, 77140, 80672, 88160, 88235, 95798, 100840, 123424, 141176, 146218, 154280, 176470, 191596, 201680, 239495, 282352, 292436, 308560, 335293, 352940, 365545, 383192, 403360, 478990, 511763, 564704, 584872, 617120, 670586, 705880, 731090, 766384, 957980, 1023526, 1169744, 1341172, 1389071, 1411760, 1462180, 1532768, 1676465, 1915960, 2047052, 2339488, 2558815, 2682344, 2778142, 2823520, 2924360, 3352930, 3831920, 4094104, 5117630, 5364688, 5556284, 5848720, 6705860, 6945355, 7663840, 8188208, 9723497, 10235260, 10729376, 11112568, 11697440, 13411720, 13890710, 16376416, 19446994, 20470520, 22225136, 26823440, 27781420, 38893988, 40941040, 44450272, 48617485, 53646880, 55562840, 77787976, 81882080, 97234970, 111125680, 155575952, 194469940, 222251360, 311151904, 388939880, 777879760, 1555759520]

約数ペア:

[(1, 1555759520), (2, 777879760), (4, 388939880), (5, 311151904), (7, 222251360), (8, 194469940), (10, 155575952), (14, 111125680), (16, 97234970), (19, 81882080), (20, 77787976), (28, 55562840), (29, 53646880), (32, 48617485), (35, 44450272), (38, 40941040), (40, 38893988), (56, 27781420), (58, 26823440), (70, 22225136), (76, 20470520), (80, 19446994), (95, 16376416), (112, 13890710), (116, 13411720), (133, 11697440), (140, 11112568), (145, 10729376), (152, 10235260), (160, 9723497), (190, 8188208), (203, 7663840), (224, 6945355), (232, 6705860), (266, 5848720), (280, 5556284), (290, 5364688), (304, 5117630), (380, 4094104), (406, 3831920), (464, 3352930), (532, 2924360), (551, 2823520), (560, 2778142), (580, 2682344), (608, 2558815), (665, 2339488), (760, 2047052), (812, 1915960), (928, 1676465), (1015, 1532768), (1064, 1462180), (1102, 1411760), (1120, 1389071), (1160, 1341172), (1330, 1169744), (1520, 1023526), (1624, 957980), (2030, 766384), (2128, 731090), (2204, 705880), (2320, 670586), (2521, 617120), (2660, 584872), (2755, 564704), (3040, 511763), (3248, 478990), (3857, 403360), (4060, 383192), (4256, 365545), (4408, 352940), (4640, 335293), (5042, 308560), (5320, 292436), (5510, 282352), (6496, 239495), (7714, 201680), (8120, 191596), (8816, 176470), (10084, 154280), (10640, 146218), (11020, 141176), (12605, 123424), (15428, 100840), (16240, 95798), (17632, 88235), (17647, 88160), (19285, 80672), (20168, 77140), (21280, 73109), (22040, 70588), (25210, 61712), (30856, 50420), (32480, 47899), (35294, 44080), (38570, 40336)]