131790960

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{331}}^1$

素因数の和:436

約数の個数: 240

約数和(自身を含む): 513776640

約数和(自身を除く): 381985680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 79, 80, 84, 90, 105, 112, 120, 126, 140, 144, 158, 168, 180, 210, 237, 240, 252, 280, 315, 316, 331, 336, 360, 395, 420, 474, 504, 553, 560, 630, 632, 662, 711, 720, 790, 840, 948, 993, 1008, 1106, 1185, 1260, 1264, 1324, 1422, 1580, 1655, 1659, 1680, 1896, 1986, 2212, 2317, 2370, 2520, 2648, 2765, 2844, 2979, 3160, 3310, 3318, 3555, 3792, 3972, 4424, 4634, 4740, 4965, 4977, 5040, 5296, 5530, 5688, 5958, 6320, 6620, 6636, 6951, 7110, 7944, 8295, 8848, 9268, 9480, 9930, 9954, 11060, 11376, 11585, 11916, 13240, 13272, 13902, 14220, 14895, 15888, 16590, 18536, 18960, 19860, 19908, 20853, 22120, 23170, 23832, 24885, 26149, 26480, 26544, 27804, 28440, 29790, 33180, 34755, 37072, 39720, 39816, 41706, 44240, 46340, 47664, 49770, 52298, 55608, 56880, 59580, 66360, 69510, 78447, 79440, 79632, 83412, 92680, 99540, 104265, 104596, 111216, 119160, 130745, 132720, 139020, 156894, 166824, 183043, 185360, 199080, 208530, 209192, 235341, 238320, 261490, 278040, 313788, 333648, 366086, 392235, 398160, 417060, 418384, 470682, 522980, 549129, 556080, 627576, 732172, 784470, 834120, 915215, 941364, 1045960, 1098258, 1176705, 1255152, 1464344, 1568940, 1647387, 1668240, 1830430, 1882728, 2091920, 2196516, 2353410, 2745645, 2928688, 3137880, 3294774, 3660860, 3765456, 4393032, 4706820, 5491290, 6275760, 6589548, 7321720, 8236935, 8786064, 9413640, 10982580, 13179096, 14643440, 16473870, 18827280, 21965160, 26358192, 32947740, 43930320, 65895480, 131790960]

約数ペア:

[(1, 131790960), (2, 65895480), (3, 43930320), (4, 32947740), (5, 26358192), (6, 21965160), (7, 18827280), (8, 16473870), (9, 14643440), (10, 13179096), (12, 10982580), (14, 9413640), (15, 8786064), (16, 8236935), (18, 7321720), (20, 6589548), (21, 6275760), (24, 5491290), (28, 4706820), (30, 4393032), (35, 3765456), (36, 3660860), (40, 3294774), (42, 3137880), (45, 2928688), (48, 2745645), (56, 2353410), (60, 2196516), (63, 2091920), (70, 1882728), (72, 1830430), (79, 1668240), (80, 1647387), (84, 1568940), (90, 1464344), (105, 1255152), (112, 1176705), (120, 1098258), (126, 1045960), (140, 941364), (144, 915215), (158, 834120), (168, 784470), (180, 732172), (210, 627576), (237, 556080), (240, 549129), (252, 522980), (280, 470682), (315, 418384), (316, 417060), (331, 398160), (336, 392235), (360, 366086), (395, 333648), (420, 313788), (474, 278040), (504, 261490), (553, 238320), (560, 235341), (630, 209192), (632, 208530), (662, 199080), (711, 185360), (720, 183043), (790, 166824), (840, 156894), (948, 139020), (993, 132720), (1008, 130745), (1106, 119160), (1185, 111216), (1260, 104596), (1264, 104265), (1324, 99540), (1422, 92680), (1580, 83412), (1655, 79632), (1659, 79440), (1680, 78447), (1896, 69510), (1986, 66360), (2212, 59580), (2317, 56880), (2370, 55608), (2520, 52298), (2648, 49770), (2765, 47664), (2844, 46340), (2979, 44240), (3160, 41706), (3310, 39816), (3318, 39720), (3555, 37072), (3792, 34755), (3972, 33180), (4424, 29790), (4634, 28440), (4740, 27804), (4965, 26544), (4977, 26480), (5040, 26149), (5296, 24885), (5530, 23832), (5688, 23170), (5958, 22120), (6320, 20853), (6620, 19908), (6636, 19860), (6951, 18960), (7110, 18536), (7944, 16590), (8295, 15888), (8848, 14895), (9268, 14220), (9480, 13902), (9930, 13272), (9954, 13240), (11060, 11916), (11376, 11585)]