278697320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1$

素因数の和:148

約数の個数: 256

約数和(自身を含む): 797817600

約数和(自身を除く): 519120280

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 19, 20, 22, 34, 37, 38, 40, 44, 53, 55, 68, 74, 76, 85, 88, 95, 106, 110, 136, 148, 152, 170, 185, 187, 190, 209, 212, 220, 265, 296, 323, 340, 370, 374, 380, 407, 418, 424, 440, 530, 583, 629, 646, 680, 703, 740, 748, 760, 814, 836, 901, 935, 1007, 1045, 1060, 1166, 1258, 1292, 1406, 1480, 1496, 1615, 1628, 1672, 1802, 1870, 1961, 2014, 2035, 2090, 2120, 2332, 2516, 2584, 2812, 2915, 3145, 3230, 3256, 3515, 3553, 3604, 3740, 3922, 4028, 4070, 4180, 4505, 4664, 5032, 5035, 5624, 5830, 6290, 6460, 6919, 7030, 7106, 7208, 7480, 7733, 7844, 8056, 8140, 8360, 9010, 9805, 9911, 10070, 11077, 11660, 11951, 12580, 12920, 13838, 14060, 14212, 15466, 15688, 16280, 17119, 17765, 18020, 19610, 19822, 20140, 21571, 22154, 23320, 23902, 25160, 27676, 28120, 28424, 30932, 33337, 34238, 34595, 35530, 36040, 37259, 38665, 39220, 39644, 40280, 43142, 44308, 47804, 49555, 55352, 55385, 59755, 61864, 66674, 68476, 69190, 71060, 74518, 77330, 78440, 79288, 85595, 86284, 88616, 95608, 99110, 107855, 110770, 119510, 131461, 133348, 136952, 138380, 142120, 149036, 154660, 166685, 171190, 172568, 186295, 188309, 198220, 215710, 221540, 239020, 262922, 266696, 276760, 298072, 309320, 333370, 342380, 366707, 372590, 376618, 396440, 409849, 431420, 443080, 478040, 525844, 633403, 657305, 666740, 684760, 733414, 745180, 753236, 819698, 862840, 941545, 1051688, 1266806, 1314610, 1333480, 1466828, 1490360, 1506472, 1639396, 1833535, 1883090, 2049245, 2533612, 2629220, 2933656, 3167015, 3278792, 3667070, 3766180, 4098490, 5067224, 5258440, 6334030, 6967433, 7334140, 7532360, 8196980, 12668060, 13934866, 14668280, 16393960, 25336120, 27869732, 34837165, 55739464, 69674330, 139348660, 278697320]

約数ペア:

[(1, 278697320), (2, 139348660), (4, 69674330), (5, 55739464), (8, 34837165), (10, 27869732), (11, 25336120), (17, 16393960), (19, 14668280), (20, 13934866), (22, 12668060), (34, 8196980), (37, 7532360), (38, 7334140), (40, 6967433), (44, 6334030), (53, 5258440), (55, 5067224), (68, 4098490), (74, 3766180), (76, 3667070), (85, 3278792), (88, 3167015), (95, 2933656), (106, 2629220), (110, 2533612), (136, 2049245), (148, 1883090), (152, 1833535), (170, 1639396), (185, 1506472), (187, 1490360), (190, 1466828), (209, 1333480), (212, 1314610), (220, 1266806), (265, 1051688), (296, 941545), (323, 862840), (340, 819698), (370, 753236), (374, 745180), (380, 733414), (407, 684760), (418, 666740), (424, 657305), (440, 633403), (530, 525844), (583, 478040), (629, 443080), (646, 431420), (680, 409849), (703, 396440), (740, 376618), (748, 372590), (760, 366707), (814, 342380), (836, 333370), (901, 309320), (935, 298072), (1007, 276760), (1045, 266696), (1060, 262922), (1166, 239020), (1258, 221540), (1292, 215710), (1406, 198220), (1480, 188309), (1496, 186295), (1615, 172568), (1628, 171190), (1672, 166685), (1802, 154660), (1870, 149036), (1961, 142120), (2014, 138380), (2035, 136952), (2090, 133348), (2120, 131461), (2332, 119510), (2516, 110770), (2584, 107855), (2812, 99110), (2915, 95608), (3145, 88616), (3230, 86284), (3256, 85595), (3515, 79288), (3553, 78440), (3604, 77330), (3740, 74518), (3922, 71060), (4028, 69190), (4070, 68476), (4180, 66674), (4505, 61864), (4664, 59755), (5032, 55385), (5035, 55352), (5624, 49555), (5830, 47804), (6290, 44308), (6460, 43142), (6919, 40280), (7030, 39644), (7106, 39220), (7208, 38665), (7480, 37259), (7733, 36040), (7844, 35530), (8056, 34595), (8140, 34238), (8360, 33337), (9010, 30932), (9805, 28424), (9911, 28120), (10070, 27676), (11077, 25160), (11660, 23902), (11951, 23320), (12580, 22154), (12920, 21571), (13838, 20140), (14060, 19822), (14212, 19610), (15466, 18020), (15688, 17765), (16280, 17119)]