285556040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1$

素因数の和:220

約数の個数: 256

約数和(自身を含む): 870912000

約数和(自身を除く): 585355960

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 23, 28, 29, 35, 40, 44, 46, 55, 56, 58, 70, 77, 88, 92, 110, 115, 116, 139, 140, 145, 154, 161, 184, 203, 220, 230, 232, 253, 278, 280, 290, 308, 319, 322, 385, 406, 440, 460, 506, 556, 580, 616, 638, 644, 667, 695, 770, 805, 812, 920, 973, 1012, 1015, 1112, 1160, 1265, 1276, 1288, 1334, 1390, 1529, 1540, 1595, 1610, 1624, 1771, 1946, 2024, 2030, 2233, 2530, 2552, 2668, 2780, 3058, 3080, 3190, 3197, 3220, 3335, 3542, 3892, 4031, 4060, 4466, 4669, 4865, 5060, 5336, 5560, 6116, 6380, 6394, 6440, 6670, 7084, 7337, 7645, 7784, 8062, 8120, 8855, 8932, 9338, 9730, 10120, 10703, 11165, 12232, 12760, 12788, 13340, 14168, 14674, 15290, 15985, 16124, 17710, 17864, 18676, 19460, 20155, 21406, 22330, 22379, 23345, 25576, 26680, 28217, 29348, 30580, 31970, 32248, 35167, 35420, 36685, 37352, 38920, 40310, 42812, 44341, 44660, 44758, 46690, 51359, 53515, 56434, 58696, 61160, 63940, 70334, 70840, 73370, 80620, 85624, 88682, 89320, 89516, 92713, 93380, 102718, 107030, 111895, 112868, 127880, 140668, 141085, 146740, 161240, 175835, 177364, 179032, 185426, 186760, 205436, 214060, 221705, 223790, 225736, 246169, 256795, 281336, 282170, 293480, 310387, 351670, 354728, 370852, 410872, 428120, 443410, 447580, 463565, 492338, 513590, 564340, 620774, 648991, 703340, 741704, 886820, 895160, 927130, 984676, 1019843, 1027180, 1128680, 1230845, 1241548, 1297982, 1406680, 1551935, 1773640, 1854260, 1969352, 2039686, 2054360, 2461690, 2483096, 2595964, 3103870, 3244955, 3708520, 4079372, 4923380, 5099215, 5191928, 6207740, 6489910, 7138901, 8158744, 9846760, 10198430, 12415480, 12979820, 14277802, 20396860, 25959640, 28555604, 35694505, 40793720, 57111208, 71389010, 142778020, 285556040]

約数ペア:

[(1, 285556040), (2, 142778020), (4, 71389010), (5, 57111208), (7, 40793720), (8, 35694505), (10, 28555604), (11, 25959640), (14, 20396860), (20, 14277802), (22, 12979820), (23, 12415480), (28, 10198430), (29, 9846760), (35, 8158744), (40, 7138901), (44, 6489910), (46, 6207740), (55, 5191928), (56, 5099215), (58, 4923380), (70, 4079372), (77, 3708520), (88, 3244955), (92, 3103870), (110, 2595964), (115, 2483096), (116, 2461690), (139, 2054360), (140, 2039686), (145, 1969352), (154, 1854260), (161, 1773640), (184, 1551935), (203, 1406680), (220, 1297982), (230, 1241548), (232, 1230845), (253, 1128680), (278, 1027180), (280, 1019843), (290, 984676), (308, 927130), (319, 895160), (322, 886820), (385, 741704), (406, 703340), (440, 648991), (460, 620774), (506, 564340), (556, 513590), (580, 492338), (616, 463565), (638, 447580), (644, 443410), (667, 428120), (695, 410872), (770, 370852), (805, 354728), (812, 351670), (920, 310387), (973, 293480), (1012, 282170), (1015, 281336), (1112, 256795), (1160, 246169), (1265, 225736), (1276, 223790), (1288, 221705), (1334, 214060), (1390, 205436), (1529, 186760), (1540, 185426), (1595, 179032), (1610, 177364), (1624, 175835), (1771, 161240), (1946, 146740), (2024, 141085), (2030, 140668), (2233, 127880), (2530, 112868), (2552, 111895), (2668, 107030), (2780, 102718), (3058, 93380), (3080, 92713), (3190, 89516), (3197, 89320), (3220, 88682), (3335, 85624), (3542, 80620), (3892, 73370), (4031, 70840), (4060, 70334), (4466, 63940), (4669, 61160), (4865, 58696), (5060, 56434), (5336, 53515), (5560, 51359), (6116, 46690), (6380, 44758), (6394, 44660), (6440, 44341), (6670, 42812), (7084, 40310), (7337, 38920), (7645, 37352), (7784, 36685), (8062, 35420), (8120, 35167), (8855, 32248), (8932, 31970), (9338, 30580), (9730, 29348), (10120, 28217), (10703, 26680), (11165, 25576), (12232, 23345), (12760, 22379), (12788, 22330), (13340, 21406), (14168, 20155), (14674, 19460), (15290, 18676), (15985, 17864), (16124, 17710)]