1998013680

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{9281}}^1$

素因数の和:9336

約数の個数: 240

約数和(自身を含む): 7541142336

約数和(自身を除く): 5543128656

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 23, 24, 26, 30, 36, 39, 40, 45, 46, 48, 52, 60, 65, 69, 72, 78, 80, 90, 92, 104, 115, 117, 120, 130, 138, 144, 156, 180, 184, 195, 207, 208, 230, 234, 240, 260, 276, 299, 312, 345, 360, 368, 390, 414, 460, 468, 520, 552, 585, 598, 624, 690, 720, 780, 828, 897, 920, 936, 1035, 1040, 1104, 1170, 1196, 1380, 1495, 1560, 1656, 1794, 1840, 1872, 2070, 2340, 2392, 2691, 2760, 2990, 3120, 3312, 3588, 4140, 4485, 4680, 4784, 5382, 5520, 5980, 7176, 8280, 8970, 9281, 9360, 10764, 11960, 13455, 14352, 16560, 17940, 18562, 21528, 23920, 26910, 27843, 35880, 37124, 43056, 46405, 53820, 55686, 71760, 74248, 83529, 92810, 107640, 111372, 120653, 139215, 148496, 167058, 185620, 213463, 215280, 222744, 241306, 278430, 334116, 361959, 371240, 417645, 426926, 445488, 482612, 556860, 603265, 640389, 668232, 723918, 742480, 835290, 853852, 965224, 1067315, 1085877, 1113720, 1206530, 1280778, 1336464, 1447836, 1670580, 1707704, 1809795, 1921167, 1930448, 2134630, 2171754, 2227440, 2413060, 2561556, 2775019, 2895672, 3201945, 3341160, 3415408, 3619590, 3842334, 4269260, 4343508, 4826120, 5123112, 5429385, 5550038, 5791344, 6403890, 6682320, 7239180, 7684668, 8325057, 8538520, 8687016, 9605835, 9652240, 10246224, 10858770, 11100076, 12807780, 13875095, 14478360, 15369336, 16650114, 17077040, 17374032, 19211670, 21717540, 22200152, 24975171, 25615560, 27750190, 28956720, 30738672, 33300228, 38423340, 41625285, 43435080, 44400304, 49950342, 51231120, 55500380, 66600456, 76846680, 83250570, 86870160, 99900684, 111000760, 124875855, 133200912, 153693360, 166501140, 199801368, 222001520, 249751710, 333002280, 399602736, 499503420, 666004560, 999006840, 1998013680]

約数ペア:

[(1, 1998013680), (2, 999006840), (3, 666004560), (4, 499503420), (5, 399602736), (6, 333002280), (8, 249751710), (9, 222001520), (10, 199801368), (12, 166501140), (13, 153693360), (15, 133200912), (16, 124875855), (18, 111000760), (20, 99900684), (23, 86870160), (24, 83250570), (26, 76846680), (30, 66600456), (36, 55500380), (39, 51231120), (40, 49950342), (45, 44400304), (46, 43435080), (48, 41625285), (52, 38423340), (60, 33300228), (65, 30738672), (69, 28956720), (72, 27750190), (78, 25615560), (80, 24975171), (90, 22200152), (92, 21717540), (104, 19211670), (115, 17374032), (117, 17077040), (120, 16650114), (130, 15369336), (138, 14478360), (144, 13875095), (156, 12807780), (180, 11100076), (184, 10858770), (195, 10246224), (207, 9652240), (208, 9605835), (230, 8687016), (234, 8538520), (240, 8325057), (260, 7684668), (276, 7239180), (299, 6682320), (312, 6403890), (345, 5791344), (360, 5550038), (368, 5429385), (390, 5123112), (414, 4826120), (460, 4343508), (468, 4269260), (520, 3842334), (552, 3619590), (585, 3415408), (598, 3341160), (624, 3201945), (690, 2895672), (720, 2775019), (780, 2561556), (828, 2413060), (897, 2227440), (920, 2171754), (936, 2134630), (1035, 1930448), (1040, 1921167), (1104, 1809795), (1170, 1707704), (1196, 1670580), (1380, 1447836), (1495, 1336464), (1560, 1280778), (1656, 1206530), (1794, 1113720), (1840, 1085877), (1872, 1067315), (2070, 965224), (2340, 853852), (2392, 835290), (2691, 742480), (2760, 723918), (2990, 668232), (3120, 640389), (3312, 603265), (3588, 556860), (4140, 482612), (4485, 445488), (4680, 426926), (4784, 417645), (5382, 371240), (5520, 361959), (5980, 334116), (7176, 278430), (8280, 241306), (8970, 222744), (9281, 215280), (9360, 213463), (10764, 185620), (11960, 167058), (13455, 148496), (14352, 139215), (16560, 120653), (17940, 111372), (18562, 107640), (21528, 92810), (23920, 83529), (26910, 74248), (27843, 71760), (35880, 55686), (37124, 53820), (43056, 46405)]