489661920

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1627}}^1$

素因数の和:1678

約数の個数: 288

約数和(自身を含む): 1919998080

約数和(自身を除く): 1430336160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 19, 20, 22, 24, 30, 32, 33, 36, 38, 40, 44, 45, 48, 55, 57, 60, 66, 72, 76, 80, 88, 90, 95, 96, 99, 110, 114, 120, 132, 144, 152, 160, 165, 171, 176, 180, 190, 198, 209, 220, 228, 240, 264, 285, 288, 304, 330, 342, 352, 360, 380, 396, 418, 440, 456, 480, 495, 528, 570, 608, 627, 660, 684, 720, 760, 792, 836, 855, 880, 912, 990, 1045, 1056, 1140, 1254, 1320, 1368, 1440, 1520, 1584, 1627, 1672, 1710, 1760, 1824, 1881, 1980, 2090, 2280, 2508, 2640, 2736, 3040, 3135, 3168, 3254, 3344, 3420, 3762, 3960, 4180, 4560, 4881, 5016, 5280, 5472, 6270, 6508, 6688, 6840, 7524, 7920, 8135, 8360, 9120, 9405, 9762, 10032, 12540, 13016, 13680, 14643, 15048, 15840, 16270, 16720, 17897, 18810, 19524, 20064, 24405, 25080, 26032, 27360, 29286, 30096, 30913, 32540, 33440, 35794, 37620, 39048, 48810, 50160, 52064, 53691, 58572, 60192, 61826, 65080, 71588, 73215, 75240, 78096, 89485, 92739, 97620, 100320, 107382, 117144, 123652, 130160, 143176, 146430, 150480, 154565, 156192, 161073, 178970, 185478, 195240, 214764, 234288, 247304, 260320, 268455, 278217, 286352, 292860, 300960, 309130, 322146, 340043, 357940, 370956, 390480, 429528, 463695, 468576, 494608, 536910, 556434, 572704, 585720, 618260, 644292, 680086, 715880, 741912, 780960, 805365, 859056, 927390, 989216, 1020129, 1073820, 1112868, 1171440, 1236520, 1288584, 1360172, 1391085, 1431760, 1483824, 1610730, 1700215, 1718112, 1854780, 2040258, 2147640, 2225736, 2342880, 2473040, 2577168, 2720344, 2782170, 2863520, 2967648, 3060387, 3221460, 3400430, 3709560, 4080516, 4295280, 4451472, 4946080, 5100645, 5154336, 5440688, 5564340, 6120774, 6442920, 6800860, 7419120, 8161032, 8590560, 8902944, 10201290, 10881376, 11128680, 12241548, 12885840, 13601720, 14838240, 15301935, 16322064, 20402580, 22257360, 24483096, 25771680, 27203440, 30603870, 32644128, 40805160, 44514720, 48966192, 54406880, 61207740, 81610320, 97932384, 122415480, 163220640, 244830960, 489661920]

約数ペア:

[(1, 489661920), (2, 244830960), (3, 163220640), (4, 122415480), (5, 97932384), (6, 81610320), (8, 61207740), (9, 54406880), (10, 48966192), (11, 44514720), (12, 40805160), (15, 32644128), (16, 30603870), (18, 27203440), (19, 25771680), (20, 24483096), (22, 22257360), (24, 20402580), (30, 16322064), (32, 15301935), (33, 14838240), (36, 13601720), (38, 12885840), (40, 12241548), (44, 11128680), (45, 10881376), (48, 10201290), (55, 8902944), (57, 8590560), (60, 8161032), (66, 7419120), (72, 6800860), (76, 6442920), (80, 6120774), (88, 5564340), (90, 5440688), (95, 5154336), (96, 5100645), (99, 4946080), (110, 4451472), (114, 4295280), (120, 4080516), (132, 3709560), (144, 3400430), (152, 3221460), (160, 3060387), (165, 2967648), (171, 2863520), (176, 2782170), (180, 2720344), (190, 2577168), (198, 2473040), (209, 2342880), (220, 2225736), (228, 2147640), (240, 2040258), (264, 1854780), (285, 1718112), (288, 1700215), (304, 1610730), (330, 1483824), (342, 1431760), (352, 1391085), (360, 1360172), (380, 1288584), (396, 1236520), (418, 1171440), (440, 1112868), (456, 1073820), (480, 1020129), (495, 989216), (528, 927390), (570, 859056), (608, 805365), (627, 780960), (660, 741912), (684, 715880), (720, 680086), (760, 644292), (792, 618260), (836, 585720), (855, 572704), (880, 556434), (912, 536910), (990, 494608), (1045, 468576), (1056, 463695), (1140, 429528), (1254, 390480), (1320, 370956), (1368, 357940), (1440, 340043), (1520, 322146), (1584, 309130), (1627, 300960), (1672, 292860), (1710, 286352), (1760, 278217), (1824, 268455), (1881, 260320), (1980, 247304), (2090, 234288), (2280, 214764), (2508, 195240), (2640, 185478), (2736, 178970), (3040, 161073), (3135, 156192), (3168, 154565), (3254, 150480), (3344, 146430), (3420, 143176), (3762, 130160), (3960, 123652), (4180, 117144), (4560, 107382), (4881, 100320), (5016, 97620), (5280, 92739), (5472, 89485), (6270, 78096), (6508, 75240), (6688, 73215), (6840, 71588), (7524, 65080), (7920, 61826), (8135, 60192), (8360, 58572), (9120, 53691), (9405, 52064), (9762, 50160), (10032, 48810), (12540, 39048), (13016, 37620), (13680, 35794), (14643, 33440), (15048, 32540), (15840, 30913), (16270, 30096), (16720, 29286), (17897, 27360), (18810, 26032), (19524, 25080), (20064, 24405)]