161388240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{173}}^1$

素因数の和:238

約数の個数: 240

約数和(自身を含む): 568570752

約数和(自身を除く): 407182512

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 23, 24, 26, 30, 39, 40, 46, 48, 52, 60, 65, 69, 78, 80, 92, 104, 115, 120, 130, 138, 156, 169, 173, 184, 195, 208, 230, 240, 260, 276, 299, 312, 338, 345, 346, 368, 390, 460, 507, 519, 520, 552, 598, 624, 676, 690, 692, 780, 845, 865, 897, 920, 1014, 1038, 1040, 1104, 1196, 1352, 1380, 1384, 1495, 1560, 1690, 1730, 1794, 1840, 2028, 2076, 2249, 2392, 2535, 2595, 2704, 2760, 2768, 2990, 3120, 3380, 3460, 3588, 3887, 3979, 4056, 4152, 4485, 4498, 4784, 5070, 5190, 5520, 5980, 6747, 6760, 6920, 7176, 7774, 7958, 8112, 8304, 8970, 8996, 10140, 10380, 11245, 11661, 11937, 11960, 13494, 13520, 13840, 14352, 15548, 15916, 17940, 17992, 19435, 19895, 20280, 20760, 22490, 23322, 23874, 23920, 26988, 29237, 31096, 31832, 33735, 35880, 35984, 38870, 39790, 40560, 41520, 44980, 46644, 47748, 51727, 53976, 58305, 58474, 59685, 62192, 63664, 67470, 71760, 77740, 79580, 87711, 89960, 93288, 95496, 103454, 107952, 116610, 116948, 119370, 134940, 146185, 155181, 155480, 159160, 175422, 179920, 186576, 190992, 206908, 233220, 233896, 238740, 258635, 269880, 292370, 310362, 310960, 318320, 350844, 413816, 438555, 466440, 467792, 477480, 517270, 539760, 584740, 620724, 672451, 701688, 775905, 827632, 877110, 932880, 954960, 1034540, 1169480, 1241448, 1344902, 1403376, 1551810, 1754220, 2017353, 2069080, 2338960, 2482896, 2689804, 3103620, 3362255, 3508440, 4034706, 4138160, 5379608, 6207240, 6724510, 7016880, 8069412, 10086765, 10759216, 12414480, 13449020, 16138824, 20173530, 26898040, 32277648, 40347060, 53796080, 80694120, 161388240]

約数ペア:

[(1, 161388240), (2, 80694120), (3, 53796080), (4, 40347060), (5, 32277648), (6, 26898040), (8, 20173530), (10, 16138824), (12, 13449020), (13, 12414480), (15, 10759216), (16, 10086765), (20, 8069412), (23, 7016880), (24, 6724510), (26, 6207240), (30, 5379608), (39, 4138160), (40, 4034706), (46, 3508440), (48, 3362255), (52, 3103620), (60, 2689804), (65, 2482896), (69, 2338960), (78, 2069080), (80, 2017353), (92, 1754220), (104, 1551810), (115, 1403376), (120, 1344902), (130, 1241448), (138, 1169480), (156, 1034540), (169, 954960), (173, 932880), (184, 877110), (195, 827632), (208, 775905), (230, 701688), (240, 672451), (260, 620724), (276, 584740), (299, 539760), (312, 517270), (338, 477480), (345, 467792), (346, 466440), (368, 438555), (390, 413816), (460, 350844), (507, 318320), (519, 310960), (520, 310362), (552, 292370), (598, 269880), (624, 258635), (676, 238740), (690, 233896), (692, 233220), (780, 206908), (845, 190992), (865, 186576), (897, 179920), (920, 175422), (1014, 159160), (1038, 155480), (1040, 155181), (1104, 146185), (1196, 134940), (1352, 119370), (1380, 116948), (1384, 116610), (1495, 107952), (1560, 103454), (1690, 95496), (1730, 93288), (1794, 89960), (1840, 87711), (2028, 79580), (2076, 77740), (2249, 71760), (2392, 67470), (2535, 63664), (2595, 62192), (2704, 59685), (2760, 58474), (2768, 58305), (2990, 53976), (3120, 51727), (3380, 47748), (3460, 46644), (3588, 44980), (3887, 41520), (3979, 40560), (4056, 39790), (4152, 38870), (4485, 35984), (4498, 35880), (4784, 33735), (5070, 31832), (5190, 31096), (5520, 29237), (5980, 26988), (6747, 23920), (6760, 23874), (6920, 23322), (7176, 22490), (7774, 20760), (7958, 20280), (8112, 19895), (8304, 19435), (8970, 17992), (8996, 17940), (10140, 15916), (10380, 15548), (11245, 14352), (11661, 13840), (11937, 13520), (11960, 13494)]