1998770880

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{1429}}^1$

素因数の和:1527

約数の個数: 224

約数和(自身を含む): 6694871040

約数和(自身を除く): 4696100160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 47, 48, 60, 62, 64, 80, 93, 94, 96, 120, 124, 141, 155, 160, 186, 188, 192, 235, 240, 248, 282, 310, 320, 372, 376, 465, 470, 480, 496, 564, 620, 705, 744, 752, 930, 940, 960, 992, 1128, 1240, 1410, 1429, 1457, 1488, 1504, 1860, 1880, 1984, 2256, 2480, 2820, 2858, 2914, 2976, 3008, 3720, 3760, 4287, 4371, 4512, 4960, 5640, 5716, 5828, 5952, 7145, 7285, 7440, 7520, 8574, 8742, 9024, 9920, 11280, 11432, 11656, 14290, 14570, 14880, 15040, 17148, 17484, 21435, 21855, 22560, 22864, 23312, 28580, 29140, 29760, 34296, 34968, 42870, 43710, 44299, 45120, 45728, 46624, 57160, 58280, 67163, 68592, 69936, 85740, 87420, 88598, 91456, 93248, 114320, 116560, 132897, 134326, 137184, 139872, 171480, 174840, 177196, 201489, 221495, 228640, 233120, 265794, 268652, 274368, 279744, 335815, 342960, 349680, 354392, 402978, 442990, 457280, 466240, 531588, 537304, 664485, 671630, 685920, 699360, 708784, 805956, 885980, 1007445, 1063176, 1074608, 1328970, 1343260, 1371840, 1398720, 1417568, 1611912, 1771960, 2014890, 2082053, 2126352, 2149216, 2657940, 2686520, 2835136, 3223824, 3543920, 4029780, 4164106, 4252704, 4298432, 5315880, 5373040, 6246159, 6447648, 7087840, 8059560, 8328212, 8505408, 10410265, 10631760, 10746080, 12492318, 12895296, 14175680, 16119120, 16656424, 20820530, 21263520, 21492160, 24984636, 31230795, 32238240, 33312848, 41641060, 42527040, 49969272, 62461590, 64476480, 66625696, 83282120, 99938544, 124923180, 133251392, 166564240, 199877088, 249846360, 333128480, 399754176, 499692720, 666256960, 999385440, 1998770880]

約数ペア:

[(1, 1998770880), (2, 999385440), (3, 666256960), (4, 499692720), (5, 399754176), (6, 333128480), (8, 249846360), (10, 199877088), (12, 166564240), (15, 133251392), (16, 124923180), (20, 99938544), (24, 83282120), (30, 66625696), (31, 64476480), (32, 62461590), (40, 49969272), (47, 42527040), (48, 41641060), (60, 33312848), (62, 32238240), (64, 31230795), (80, 24984636), (93, 21492160), (94, 21263520), (96, 20820530), (120, 16656424), (124, 16119120), (141, 14175680), (155, 12895296), (160, 12492318), (186, 10746080), (188, 10631760), (192, 10410265), (235, 8505408), (240, 8328212), (248, 8059560), (282, 7087840), (310, 6447648), (320, 6246159), (372, 5373040), (376, 5315880), (465, 4298432), (470, 4252704), (480, 4164106), (496, 4029780), (564, 3543920), (620, 3223824), (705, 2835136), (744, 2686520), (752, 2657940), (930, 2149216), (940, 2126352), (960, 2082053), (992, 2014890), (1128, 1771960), (1240, 1611912), (1410, 1417568), (1429, 1398720), (1457, 1371840), (1488, 1343260), (1504, 1328970), (1860, 1074608), (1880, 1063176), (1984, 1007445), (2256, 885980), (2480, 805956), (2820, 708784), (2858, 699360), (2914, 685920), (2976, 671630), (3008, 664485), (3720, 537304), (3760, 531588), (4287, 466240), (4371, 457280), (4512, 442990), (4960, 402978), (5640, 354392), (5716, 349680), (5828, 342960), (5952, 335815), (7145, 279744), (7285, 274368), (7440, 268652), (7520, 265794), (8574, 233120), (8742, 228640), (9024, 221495), (9920, 201489), (11280, 177196), (11432, 174840), (11656, 171480), (14290, 139872), (14570, 137184), (14880, 134326), (15040, 132897), (17148, 116560), (17484, 114320), (21435, 93248), (21855, 91456), (22560, 88598), (22864, 87420), (23312, 85740), (28580, 69936), (29140, 68592), (29760, 67163), (34296, 58280), (34968, 57160), (42870, 46624), (43710, 45728), (44299, 45120)]