121931280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1$

素因数の和:278

約数の個数: 240

約数和(自身を含む): 441043200

約数和(自身を除く): 319111920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 36, 37, 40, 45, 46, 48, 60, 69, 72, 74, 80, 90, 92, 111, 115, 120, 138, 144, 148, 180, 184, 185, 199, 207, 222, 230, 240, 276, 296, 333, 345, 360, 368, 370, 398, 414, 444, 460, 552, 555, 592, 597, 666, 690, 720, 740, 796, 828, 851, 888, 920, 995, 1035, 1104, 1110, 1194, 1332, 1380, 1480, 1592, 1656, 1665, 1702, 1776, 1791, 1840, 1990, 2070, 2220, 2388, 2553, 2664, 2760, 2960, 2985, 3184, 3312, 3330, 3404, 3582, 3980, 4140, 4255, 4440, 4577, 4776, 5106, 5328, 5520, 5970, 6660, 6808, 7164, 7363, 7659, 7960, 8280, 8510, 8880, 8955, 9154, 9552, 10212, 11940, 12765, 13320, 13616, 13731, 14328, 14726, 15318, 15920, 16560, 17020, 17910, 18308, 20424, 22089, 22885, 23880, 25530, 26640, 27462, 28656, 29452, 30636, 34040, 35820, 36616, 36815, 38295, 40848, 41193, 44178, 45770, 47760, 51060, 54924, 58904, 61272, 66267, 68080, 68655, 71640, 73232, 73630, 76590, 82386, 88356, 91540, 102120, 109848, 110445, 117808, 122544, 132534, 137310, 143280, 147260, 153180, 164772, 169349, 176712, 183080, 204240, 205965, 219696, 220890, 265068, 274620, 294520, 306360, 329544, 331335, 338698, 353424, 366160, 411930, 441780, 508047, 530136, 549240, 589040, 612720, 659088, 662670, 677396, 823860, 846745, 883560, 1016094, 1060272, 1098480, 1325340, 1354792, 1524141, 1647720, 1693490, 1767120, 2032188, 2540235, 2650680, 2709584, 3048282, 3295440, 3386980, 4064376, 5080470, 5301360, 6096564, 6773960, 7620705, 8128752, 10160940, 12193128, 13547920, 15241410, 20321880, 24386256, 30482820, 40643760, 60965640, 121931280]

約数ペア:

[(1, 121931280), (2, 60965640), (3, 40643760), (4, 30482820), (5, 24386256), (6, 20321880), (8, 15241410), (9, 13547920), (10, 12193128), (12, 10160940), (15, 8128752), (16, 7620705), (18, 6773960), (20, 6096564), (23, 5301360), (24, 5080470), (30, 4064376), (36, 3386980), (37, 3295440), (40, 3048282), (45, 2709584), (46, 2650680), (48, 2540235), (60, 2032188), (69, 1767120), (72, 1693490), (74, 1647720), (80, 1524141), (90, 1354792), (92, 1325340), (111, 1098480), (115, 1060272), (120, 1016094), (138, 883560), (144, 846745), (148, 823860), (180, 677396), (184, 662670), (185, 659088), (199, 612720), (207, 589040), (222, 549240), (230, 530136), (240, 508047), (276, 441780), (296, 411930), (333, 366160), (345, 353424), (360, 338698), (368, 331335), (370, 329544), (398, 306360), (414, 294520), (444, 274620), (460, 265068), (552, 220890), (555, 219696), (592, 205965), (597, 204240), (666, 183080), (690, 176712), (720, 169349), (740, 164772), (796, 153180), (828, 147260), (851, 143280), (888, 137310), (920, 132534), (995, 122544), (1035, 117808), (1104, 110445), (1110, 109848), (1194, 102120), (1332, 91540), (1380, 88356), (1480, 82386), (1592, 76590), (1656, 73630), (1665, 73232), (1702, 71640), (1776, 68655), (1791, 68080), (1840, 66267), (1990, 61272), (2070, 58904), (2220, 54924), (2388, 51060), (2553, 47760), (2664, 45770), (2760, 44178), (2960, 41193), (2985, 40848), (3184, 38295), (3312, 36815), (3330, 36616), (3404, 35820), (3582, 34040), (3980, 30636), (4140, 29452), (4255, 28656), (4440, 27462), (4577, 26640), (4776, 25530), (5106, 23880), (5328, 22885), (5520, 22089), (5970, 20424), (6660, 18308), (6808, 17910), (7164, 17020), (7363, 16560), (7659, 15920), (7960, 15318), (8280, 14726), (8510, 14328), (8880, 13731), (8955, 13616), (9154, 13320), (9552, 12765), (10212, 11940)]