28716272480

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{491}}^1\times {\mathrm{661}}^1$

素因数の和:1253

約数の個数: 192

約数和(自身を含む): 78794311680

約数和(自身を除く): 50078039200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 79, 80, 112, 140, 158, 160, 224, 280, 316, 395, 491, 553, 560, 632, 661, 790, 982, 1106, 1120, 1264, 1322, 1580, 1964, 2212, 2455, 2528, 2644, 2765, 3160, 3305, 3437, 3928, 4424, 4627, 4910, 5288, 5530, 6320, 6610, 6874, 7856, 8848, 9254, 9820, 10576, 11060, 12640, 13220, 13748, 15712, 17185, 17696, 18508, 19640, 21152, 22120, 23135, 26440, 27496, 34370, 37016, 38789, 39280, 44240, 46270, 52219, 52880, 54992, 68740, 74032, 77578, 78560, 88480, 92540, 104438, 105760, 109984, 137480, 148064, 155156, 185080, 193945, 208876, 261095, 271523, 274960, 310312, 324551, 365533, 370160, 387890, 417752, 522190, 543046, 549920, 620624, 649102, 731066, 740320, 775780, 835504, 1044380, 1086092, 1241248, 1298204, 1357615, 1462132, 1551560, 1622755, 1671008, 1827665, 2088760, 2172184, 2271857, 2596408, 2715230, 2924264, 3103120, 3245510, 3655330, 4177520, 4344368, 4543714, 5192816, 5430460, 5848528, 6206240, 6491020, 7310660, 8355040, 8688736, 9087428, 10385632, 10860920, 11359285, 11697056, 12982040, 14621320, 18174856, 21721840, 22718570, 25639529, 25964080, 29242640, 36349712, 43443680, 45437140, 51279058, 51928160, 58485280, 72699424, 90874280, 102558116, 128197645, 179476703, 181748560, 205116232, 256395290, 358953406, 363497120, 410232464, 512790580, 717906812, 820464928, 897383515, 1025581160, 1435813624, 1794767030, 2051162320, 2871627248, 3589534060, 4102324640, 5743254496, 7179068120, 14358136240, 28716272480]

約数ペア:

[(1, 28716272480), (2, 14358136240), (4, 7179068120), (5, 5743254496), (7, 4102324640), (8, 3589534060), (10, 2871627248), (14, 2051162320), (16, 1794767030), (20, 1435813624), (28, 1025581160), (32, 897383515), (35, 820464928), (40, 717906812), (56, 512790580), (70, 410232464), (79, 363497120), (80, 358953406), (112, 256395290), (140, 205116232), (158, 181748560), (160, 179476703), (224, 128197645), (280, 102558116), (316, 90874280), (395, 72699424), (491, 58485280), (553, 51928160), (560, 51279058), (632, 45437140), (661, 43443680), (790, 36349712), (982, 29242640), (1106, 25964080), (1120, 25639529), (1264, 22718570), (1322, 21721840), (1580, 18174856), (1964, 14621320), (2212, 12982040), (2455, 11697056), (2528, 11359285), (2644, 10860920), (2765, 10385632), (3160, 9087428), (3305, 8688736), (3437, 8355040), (3928, 7310660), (4424, 6491020), (4627, 6206240), (4910, 5848528), (5288, 5430460), (5530, 5192816), (6320, 4543714), (6610, 4344368), (6874, 4177520), (7856, 3655330), (8848, 3245510), (9254, 3103120), (9820, 2924264), (10576, 2715230), (11060, 2596408), (12640, 2271857), (13220, 2172184), (13748, 2088760), (15712, 1827665), (17185, 1671008), (17696, 1622755), (18508, 1551560), (19640, 1462132), (21152, 1357615), (22120, 1298204), (23135, 1241248), (26440, 1086092), (27496, 1044380), (34370, 835504), (37016, 775780), (38789, 740320), (39280, 731066), (44240, 649102), (46270, 620624), (52219, 549920), (52880, 543046), (54992, 522190), (68740, 417752), (74032, 387890), (77578, 370160), (78560, 365533), (88480, 324551), (92540, 310312), (104438, 274960), (105760, 271523), (109984, 261095), (137480, 208876), (148064, 193945), (155156, 185080)]