161401240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1$

素因数の和:210

約数の個数: 256

約数和(自身を含む): 508032000

約数和(自身を除く): 346630760

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 20, 22, 26, 28, 29, 35, 40, 44, 52, 55, 56, 58, 65, 70, 77, 88, 91, 104, 110, 116, 130, 139, 140, 143, 145, 154, 182, 203, 220, 232, 260, 278, 280, 286, 290, 308, 319, 364, 377, 385, 406, 440, 455, 520, 556, 572, 580, 616, 638, 695, 715, 728, 754, 770, 812, 910, 973, 1001, 1015, 1112, 1144, 1160, 1276, 1390, 1430, 1508, 1529, 1540, 1595, 1624, 1807, 1820, 1885, 1946, 2002, 2030, 2233, 2552, 2639, 2780, 2860, 3016, 3058, 3080, 3190, 3614, 3640, 3770, 3892, 4004, 4031, 4060, 4147, 4466, 4865, 5005, 5278, 5560, 5720, 6116, 6380, 7228, 7540, 7645, 7784, 8008, 8062, 8120, 8294, 8932, 9035, 9730, 10010, 10556, 10703, 11165, 12232, 12649, 12760, 13195, 14456, 15080, 15290, 16124, 16588, 17864, 18070, 19460, 19877, 20020, 20155, 20735, 21112, 21406, 22330, 25298, 26390, 28217, 29029, 30580, 32248, 33176, 36140, 38920, 39754, 40040, 40310, 41470, 42812, 44341, 44660, 50596, 52403, 52780, 53515, 56434, 58058, 61160, 63245, 72280, 79508, 80620, 82940, 85624, 88682, 89320, 99385, 101192, 104806, 105560, 107030, 112868, 116116, 126490, 139139, 141085, 145145, 159016, 161240, 165880, 177364, 198770, 209612, 214060, 221705, 225736, 232232, 252980, 262015, 278278, 282170, 290290, 310387, 354728, 366821, 397540, 419224, 428120, 443410, 505960, 524030, 556556, 564340, 576433, 580580, 620774, 695695, 733642, 795080, 886820, 1048060, 1113112, 1128680, 1152866, 1161160, 1241548, 1391390, 1467284, 1551935, 1773640, 1834105, 2096120, 2305732, 2483096, 2782780, 2882165, 2934568, 3103870, 3668210, 4035031, 4611464, 5565560, 5764330, 6207740, 7336420, 8070062, 11528660, 12415480, 14672840, 16140124, 20175155, 23057320, 32280248, 40350310, 80700620, 161401240]

約数ペア:

[(1, 161401240), (2, 80700620), (4, 40350310), (5, 32280248), (7, 23057320), (8, 20175155), (10, 16140124), (11, 14672840), (13, 12415480), (14, 11528660), (20, 8070062), (22, 7336420), (26, 6207740), (28, 5764330), (29, 5565560), (35, 4611464), (40, 4035031), (44, 3668210), (52, 3103870), (55, 2934568), (56, 2882165), (58, 2782780), (65, 2483096), (70, 2305732), (77, 2096120), (88, 1834105), (91, 1773640), (104, 1551935), (110, 1467284), (116, 1391390), (130, 1241548), (139, 1161160), (140, 1152866), (143, 1128680), (145, 1113112), (154, 1048060), (182, 886820), (203, 795080), (220, 733642), (232, 695695), (260, 620774), (278, 580580), (280, 576433), (286, 564340), (290, 556556), (308, 524030), (319, 505960), (364, 443410), (377, 428120), (385, 419224), (406, 397540), (440, 366821), (455, 354728), (520, 310387), (556, 290290), (572, 282170), (580, 278278), (616, 262015), (638, 252980), (695, 232232), (715, 225736), (728, 221705), (754, 214060), (770, 209612), (812, 198770), (910, 177364), (973, 165880), (1001, 161240), (1015, 159016), (1112, 145145), (1144, 141085), (1160, 139139), (1276, 126490), (1390, 116116), (1430, 112868), (1508, 107030), (1529, 105560), (1540, 104806), (1595, 101192), (1624, 99385), (1807, 89320), (1820, 88682), (1885, 85624), (1946, 82940), (2002, 80620), (2030, 79508), (2233, 72280), (2552, 63245), (2639, 61160), (2780, 58058), (2860, 56434), (3016, 53515), (3058, 52780), (3080, 52403), (3190, 50596), (3614, 44660), (3640, 44341), (3770, 42812), (3892, 41470), (4004, 40310), (4031, 40040), (4060, 39754), (4147, 38920), (4466, 36140), (4865, 33176), (5005, 32248), (5278, 30580), (5560, 29029), (5720, 28217), (6116, 26390), (6380, 25298), (7228, 22330), (7540, 21406), (7645, 21112), (7784, 20735), (8008, 20155), (8062, 20020), (8120, 19877), (8294, 19460), (8932, 18070), (9035, 17864), (9730, 16588), (10010, 16124), (10556, 15290), (10703, 15080), (11165, 14456), (12232, 13195), (12649, 12760)]