208968760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{307}}^1$

素因数の和:366

約数の個数: 256

約数和(自身を含む): 670602240

約数和(自身を除く): 461633480

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 17, 20, 22, 26, 28, 34, 35, 40, 44, 52, 55, 56, 65, 68, 70, 77, 85, 88, 91, 104, 110, 119, 130, 136, 140, 143, 154, 170, 182, 187, 220, 221, 238, 260, 280, 286, 307, 308, 340, 364, 374, 385, 440, 442, 455, 476, 520, 572, 595, 614, 616, 680, 715, 728, 748, 770, 884, 910, 935, 952, 1001, 1105, 1144, 1190, 1228, 1309, 1430, 1496, 1535, 1540, 1547, 1768, 1820, 1870, 2002, 2149, 2210, 2380, 2431, 2456, 2618, 2860, 3070, 3080, 3094, 3377, 3640, 3740, 3991, 4004, 4298, 4420, 4760, 4862, 5005, 5219, 5236, 5720, 6140, 6188, 6545, 6754, 7480, 7735, 7982, 8008, 8596, 8840, 9724, 10010, 10438, 10472, 10745, 12155, 12280, 12376, 13090, 13508, 15470, 15964, 16885, 17017, 17192, 19448, 19955, 20020, 20876, 21490, 23639, 24310, 26095, 26180, 27016, 27937, 30940, 31928, 33770, 34034, 36533, 39910, 40040, 41752, 42980, 43901, 47278, 48620, 52190, 52360, 55874, 57409, 61880, 67540, 67847, 68068, 73066, 79820, 85085, 85960, 87802, 94556, 97240, 104380, 111748, 114818, 118195, 135080, 135694, 136136, 139685, 146132, 159640, 170170, 175604, 182665, 189112, 208760, 219505, 223496, 229636, 236390, 271388, 279370, 287045, 292264, 307307, 339235, 340340, 351208, 365330, 401863, 439010, 459272, 472780, 474929, 542776, 558740, 574090, 614614, 678470, 680680, 730660, 746317, 803726, 878020, 945560, 949858, 1117480, 1148180, 1229228, 1356940, 1461320, 1492634, 1536535, 1607452, 1756040, 1899716, 2009315, 2296360, 2374645, 2458456, 2713880, 2985268, 3073070, 3214904, 3731585, 3799432, 4018630, 4749290, 5224219, 5970536, 6146140, 7463170, 8037260, 9498580, 10448438, 12292280, 14926340, 16074520, 18997160, 20896876, 26121095, 29852680, 41793752, 52242190, 104484380, 208968760]

約数ペア:

[(1, 208968760), (2, 104484380), (4, 52242190), (5, 41793752), (7, 29852680), (8, 26121095), (10, 20896876), (11, 18997160), (13, 16074520), (14, 14926340), (17, 12292280), (20, 10448438), (22, 9498580), (26, 8037260), (28, 7463170), (34, 6146140), (35, 5970536), (40, 5224219), (44, 4749290), (52, 4018630), (55, 3799432), (56, 3731585), (65, 3214904), (68, 3073070), (70, 2985268), (77, 2713880), (85, 2458456), (88, 2374645), (91, 2296360), (104, 2009315), (110, 1899716), (119, 1756040), (130, 1607452), (136, 1536535), (140, 1492634), (143, 1461320), (154, 1356940), (170, 1229228), (182, 1148180), (187, 1117480), (220, 949858), (221, 945560), (238, 878020), (260, 803726), (280, 746317), (286, 730660), (307, 680680), (308, 678470), (340, 614614), (364, 574090), (374, 558740), (385, 542776), (440, 474929), (442, 472780), (455, 459272), (476, 439010), (520, 401863), (572, 365330), (595, 351208), (614, 340340), (616, 339235), (680, 307307), (715, 292264), (728, 287045), (748, 279370), (770, 271388), (884, 236390), (910, 229636), (935, 223496), (952, 219505), (1001, 208760), (1105, 189112), (1144, 182665), (1190, 175604), (1228, 170170), (1309, 159640), (1430, 146132), (1496, 139685), (1535, 136136), (1540, 135694), (1547, 135080), (1768, 118195), (1820, 114818), (1870, 111748), (2002, 104380), (2149, 97240), (2210, 94556), (2380, 87802), (2431, 85960), (2456, 85085), (2618, 79820), (2860, 73066), (3070, 68068), (3080, 67847), (3094, 67540), (3377, 61880), (3640, 57409), (3740, 55874), (3991, 52360), (4004, 52190), (4298, 48620), (4420, 47278), (4760, 43901), (4862, 42980), (5005, 41752), (5219, 40040), (5236, 39910), (5720, 36533), (6140, 34034), (6188, 33770), (6545, 31928), (6754, 30940), (7480, 27937), (7735, 27016), (7982, 26180), (8008, 26095), (8596, 24310), (8840, 23639), (9724, 21490), (10010, 20876), (10438, 20020), (10472, 19955), (10745, 19448), (12155, 17192), (12280, 17017), (12376, 16885), (13090, 15964), (13508, 15470)]