2871391120

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^3\times {\mathrm{17}}^1\times {\mathrm{31}}^2$

素因数の和:131

約数の個数: 240

約数和(自身を含む): 7912462320

約数和(自身を除く): 5041071200

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 31, 34, 40, 52, 62, 65, 68, 80, 85, 104, 124, 130, 136, 155, 169, 170, 208, 221, 248, 260, 272, 310, 338, 340, 403, 442, 496, 520, 527, 620, 676, 680, 806, 845, 884, 961, 1040, 1054, 1105, 1240, 1352, 1360, 1612, 1690, 1768, 1922, 2015, 2108, 2197, 2210, 2480, 2635, 2704, 2873, 3224, 3380, 3536, 3844, 4030, 4216, 4394, 4420, 4805, 5239, 5270, 5746, 6448, 6760, 6851, 7688, 8060, 8432, 8788, 8840, 9610, 10478, 10540, 10985, 11492, 12493, 13520, 13702, 14365, 15376, 16120, 16337, 17576, 17680, 19220, 20956, 21080, 21970, 22984, 24986, 26195, 27404, 28730, 32240, 32674, 34255, 35152, 37349, 38440, 41912, 42160, 43940, 45968, 49972, 52390, 54808, 57460, 62465, 65348, 68107, 68510, 74698, 76880, 81685, 83824, 87880, 89063, 99944, 104780, 109616, 114920, 124930, 130696, 136214, 137020, 149396, 162409, 163370, 175760, 178126, 186745, 199888, 209560, 212381, 229840, 249860, 261392, 272428, 274040, 298792, 324818, 326740, 340535, 356252, 373490, 419120, 424762, 445315, 499720, 544856, 548080, 597584, 649636, 653480, 681070, 712504, 746980, 812045, 849524, 890630, 999440, 1061905, 1089712, 1157819, 1299272, 1306960, 1362140, 1425008, 1493960, 1624090, 1699048, 1781260, 2111317, 2123810, 2315638, 2598544, 2724280, 2760953, 2987920, 3248180, 3398096, 3562520, 4222634, 4247620, 4631276, 5448560, 5521906, 5789095, 6496360, 7125040, 8445268, 8495240, 9262552, 10556585, 11043812, 11578190, 12992720, 13804765, 16890536, 16990480, 18525104, 21113170, 22087624, 23156380, 27609530, 33781072, 35892389, 42226340, 44175248, 46312760, 55219060, 71784778, 84452680, 92625520, 110438120, 143569556, 168905360, 179461945, 220876240, 287139112, 358923890, 574278224, 717847780, 1435695560, 2871391120]

約数ペア:

[(1, 2871391120), (2, 1435695560), (4, 717847780), (5, 574278224), (8, 358923890), (10, 287139112), (13, 220876240), (16, 179461945), (17, 168905360), (20, 143569556), (26, 110438120), (31, 92625520), (34, 84452680), (40, 71784778), (52, 55219060), (62, 46312760), (65, 44175248), (68, 42226340), (80, 35892389), (85, 33781072), (104, 27609530), (124, 23156380), (130, 22087624), (136, 21113170), (155, 18525104), (169, 16990480), (170, 16890536), (208, 13804765), (221, 12992720), (248, 11578190), (260, 11043812), (272, 10556585), (310, 9262552), (338, 8495240), (340, 8445268), (403, 7125040), (442, 6496360), (496, 5789095), (520, 5521906), (527, 5448560), (620, 4631276), (676, 4247620), (680, 4222634), (806, 3562520), (845, 3398096), (884, 3248180), (961, 2987920), (1040, 2760953), (1054, 2724280), (1105, 2598544), (1240, 2315638), (1352, 2123810), (1360, 2111317), (1612, 1781260), (1690, 1699048), (1768, 1624090), (1922, 1493960), (2015, 1425008), (2108, 1362140), (2197, 1306960), (2210, 1299272), (2480, 1157819), (2635, 1089712), (2704, 1061905), (2873, 999440), (3224, 890630), (3380, 849524), (3536, 812045), (3844, 746980), (4030, 712504), (4216, 681070), (4394, 653480), (4420, 649636), (4805, 597584), (5239, 548080), (5270, 544856), (5746, 499720), (6448, 445315), (6760, 424762), (6851, 419120), (7688, 373490), (8060, 356252), (8432, 340535), (8788, 326740), (8840, 324818), (9610, 298792), (10478, 274040), (10540, 272428), (10985, 261392), (11492, 249860), (12493, 229840), (13520, 212381), (13702, 209560), (14365, 199888), (15376, 186745), (16120, 178126), (16337, 175760), (17576, 163370), (17680, 162409), (19220, 149396), (20956, 137020), (21080, 136214), (21970, 130696), (22984, 124930), (24986, 114920), (26195, 109616), (27404, 104780), (28730, 99944), (32240, 89063), (32674, 87880), (34255, 83824), (35152, 81685), (37349, 76880), (38440, 74698), (41912, 68510), (42160, 68107), (43940, 65348), (45968, 62465), (49972, 57460), (52390, 54808)]