161525840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{47}}^1$

素因数の和:122

約数の個数: 240

約数和(自身を含む): 489825792

約数和(自身を除く): 328299952

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 19, 20, 28, 34, 35, 38, 40, 47, 56, 68, 70, 76, 80, 85, 94, 95, 112, 119, 133, 136, 140, 152, 170, 188, 190, 235, 238, 266, 272, 280, 304, 323, 329, 340, 361, 376, 380, 470, 476, 532, 560, 595, 646, 658, 665, 680, 722, 752, 760, 799, 893, 940, 952, 1064, 1190, 1292, 1316, 1330, 1360, 1444, 1520, 1598, 1615, 1645, 1786, 1805, 1880, 1904, 2128, 2261, 2380, 2527, 2584, 2632, 2660, 2888, 3196, 3230, 3290, 3572, 3610, 3760, 3995, 4465, 4522, 4760, 5054, 5168, 5264, 5320, 5593, 5776, 6137, 6251, 6392, 6460, 6580, 7144, 7220, 7990, 8930, 9044, 9520, 10108, 10640, 11186, 11305, 12274, 12502, 12635, 12784, 12920, 13160, 14288, 14440, 15181, 15980, 16967, 17860, 18088, 20216, 22372, 22610, 24548, 25004, 25270, 25840, 26320, 27965, 28880, 30362, 30685, 31255, 31960, 33934, 35720, 36176, 40432, 42959, 44744, 45220, 49096, 50008, 50540, 55930, 60724, 61370, 62510, 63920, 67868, 71440, 75905, 84835, 85918, 89488, 90440, 98192, 100016, 101080, 106267, 111860, 118769, 121448, 122740, 125020, 135736, 151810, 169670, 171836, 180880, 202160, 212534, 214795, 223720, 237538, 242896, 245480, 250040, 271472, 288439, 303620, 339340, 343672, 425068, 429590, 447440, 475076, 490960, 500080, 531335, 576878, 593845, 607240, 678680, 687344, 850136, 859180, 950152, 1062670, 1153756, 1187690, 1214480, 1357360, 1442195, 1700272, 1718360, 1900304, 2019073, 2125340, 2307512, 2375380, 2884390, 3436720, 4038146, 4250680, 4615024, 4750760, 5768780, 8076292, 8501360, 9501520, 10095365, 11537560, 16152584, 20190730, 23075120, 32305168, 40381460, 80762920, 161525840]

約数ペア:

[(1, 161525840), (2, 80762920), (4, 40381460), (5, 32305168), (7, 23075120), (8, 20190730), (10, 16152584), (14, 11537560), (16, 10095365), (17, 9501520), (19, 8501360), (20, 8076292), (28, 5768780), (34, 4750760), (35, 4615024), (38, 4250680), (40, 4038146), (47, 3436720), (56, 2884390), (68, 2375380), (70, 2307512), (76, 2125340), (80, 2019073), (85, 1900304), (94, 1718360), (95, 1700272), (112, 1442195), (119, 1357360), (133, 1214480), (136, 1187690), (140, 1153756), (152, 1062670), (170, 950152), (188, 859180), (190, 850136), (235, 687344), (238, 678680), (266, 607240), (272, 593845), (280, 576878), (304, 531335), (323, 500080), (329, 490960), (340, 475076), (361, 447440), (376, 429590), (380, 425068), (470, 343672), (476, 339340), (532, 303620), (560, 288439), (595, 271472), (646, 250040), (658, 245480), (665, 242896), (680, 237538), (722, 223720), (752, 214795), (760, 212534), (799, 202160), (893, 180880), (940, 171836), (952, 169670), (1064, 151810), (1190, 135736), (1292, 125020), (1316, 122740), (1330, 121448), (1360, 118769), (1444, 111860), (1520, 106267), (1598, 101080), (1615, 100016), (1645, 98192), (1786, 90440), (1805, 89488), (1880, 85918), (1904, 84835), (2128, 75905), (2261, 71440), (2380, 67868), (2527, 63920), (2584, 62510), (2632, 61370), (2660, 60724), (2888, 55930), (3196, 50540), (3230, 50008), (3290, 49096), (3572, 45220), (3610, 44744), (3760, 42959), (3995, 40432), (4465, 36176), (4522, 35720), (4760, 33934), (5054, 31960), (5168, 31255), (5264, 30685), (5320, 30362), (5593, 28880), (5776, 27965), (6137, 26320), (6251, 25840), (6392, 25270), (6460, 25004), (6580, 24548), (7144, 22610), (7220, 22372), (7990, 20216), (8930, 18088), (9044, 17860), (9520, 16967), (10108, 15980), (10640, 15181), (11186, 14440), (11305, 14288), (12274, 13160), (12502, 12920), (12635, 12784)]