331979760

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{331}}^1$

素因数の和:556

約数の個数: 240

約数和(自身を含む): 1284441600

約数和(自身を除く): 952461840

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, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 199, 210, 240, 252, 280, 315, 331, 336, 360, 398, 420, 504, 560, 597, 630, 662, 720, 796, 840, 993, 995, 1008, 1194, 1260, 1324, 1393, 1592, 1655, 1680, 1791, 1986, 1990, 2317, 2388, 2520, 2648, 2786, 2979, 2985, 3184, 3310, 3582, 3972, 3980, 4179, 4634, 4776, 4965, 5040, 5296, 5572, 5958, 5970, 6620, 6951, 6965, 7164, 7944, 7960, 8358, 8955, 9268, 9552, 9930, 11144, 11585, 11916, 11940, 12537, 13240, 13902, 13930, 14328, 14895, 15888, 15920, 16716, 17910, 18536, 19860, 20853, 20895, 22288, 23170, 23832, 23880, 25074, 26480, 27804, 27860, 28656, 29790, 33432, 34755, 35820, 37072, 39720, 41706, 41790, 46340, 47664, 47760, 50148, 55608, 55720, 59580, 62685, 65869, 66864, 69510, 71640, 79440, 83412, 83580, 92680, 100296, 104265, 111216, 111440, 119160, 125370, 131738, 139020, 143280, 166824, 167160, 185360, 197607, 200592, 208530, 238320, 250740, 263476, 278040, 329345, 333648, 334320, 395214, 417060, 461083, 501480, 526952, 556080, 592821, 658690, 790428, 834120, 922166, 988035, 1002960, 1053904, 1185642, 1317380, 1383249, 1580856, 1668240, 1844332, 1976070, 2305415, 2371284, 2634760, 2766498, 2964105, 3161712, 3688664, 3952140, 4149747, 4610830, 4742568, 5269520, 5532996, 5928210, 6916245, 7377328, 7904280, 8299494, 9221660, 9485136, 11065992, 11856420, 13832490, 15808560, 16598988, 18443320, 20748735, 22131984, 23712840, 27664980, 33197976, 36886640, 41497470, 47425680, 55329960, 66395952, 82994940, 110659920, 165989880, 331979760]

約数ペア:

[(1, 331979760), (2, 165989880), (3, 110659920), (4, 82994940), (5, 66395952), (6, 55329960), (7, 47425680), (8, 41497470), (9, 36886640), (10, 33197976), (12, 27664980), (14, 23712840), (15, 22131984), (16, 20748735), (18, 18443320), (20, 16598988), (21, 15808560), (24, 13832490), (28, 11856420), (30, 11065992), (35, 9485136), (36, 9221660), (40, 8299494), (42, 7904280), (45, 7377328), (48, 6916245), (56, 5928210), (60, 5532996), (63, 5269520), (70, 4742568), (72, 4610830), (80, 4149747), (84, 3952140), (90, 3688664), (105, 3161712), (112, 2964105), (120, 2766498), (126, 2634760), (140, 2371284), (144, 2305415), (168, 1976070), (180, 1844332), (199, 1668240), (210, 1580856), (240, 1383249), (252, 1317380), (280, 1185642), (315, 1053904), (331, 1002960), (336, 988035), (360, 922166), (398, 834120), (420, 790428), (504, 658690), (560, 592821), (597, 556080), (630, 526952), (662, 501480), (720, 461083), (796, 417060), (840, 395214), (993, 334320), (995, 333648), (1008, 329345), (1194, 278040), (1260, 263476), (1324, 250740), (1393, 238320), (1592, 208530), (1655, 200592), (1680, 197607), (1791, 185360), (1986, 167160), (1990, 166824), (2317, 143280), (2388, 139020), (2520, 131738), (2648, 125370), (2786, 119160), (2979, 111440), (2985, 111216), (3184, 104265), (3310, 100296), (3582, 92680), (3972, 83580), (3980, 83412), (4179, 79440), (4634, 71640), (4776, 69510), (4965, 66864), (5040, 65869), (5296, 62685), (5572, 59580), (5958, 55720), (5970, 55608), (6620, 50148), (6951, 47760), (6965, 47664), (7164, 46340), (7944, 41790), (7960, 41706), (8358, 39720), (8955, 37072), (9268, 35820), (9552, 34755), (9930, 33432), (11144, 29790), (11585, 28656), (11916, 27860), (11940, 27804), (12537, 26480), (13240, 25074), (13902, 23880), (13930, 23832), (14328, 23170), (14895, 22288), (15888, 20895), (15920, 20853), (16716, 19860), (17910, 18536)]