641619960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1$

素因数の和:238

約数の個数: 256

約数和(自身を含む): 2117007360

約数和(自身を除く): 1475387400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 37, 40, 46, 60, 61, 69, 74, 92, 103, 111, 115, 120, 122, 138, 148, 183, 184, 185, 206, 222, 230, 244, 276, 296, 305, 309, 345, 366, 370, 412, 444, 460, 488, 515, 552, 555, 610, 618, 690, 732, 740, 824, 851, 888, 915, 920, 1030, 1110, 1220, 1236, 1380, 1403, 1464, 1480, 1545, 1702, 1830, 2060, 2220, 2257, 2369, 2440, 2472, 2553, 2760, 2806, 3090, 3404, 3660, 3811, 4120, 4209, 4255, 4440, 4514, 4738, 5106, 5612, 6180, 6283, 6771, 6808, 7015, 7107, 7320, 7622, 8418, 8510, 9028, 9476, 10212, 11224, 11285, 11433, 11845, 12360, 12566, 12765, 13542, 14030, 14214, 15244, 16836, 17020, 18056, 18849, 18952, 19055, 20424, 21045, 22570, 22866, 23690, 25132, 25530, 27084, 28060, 28428, 30488, 31415, 33672, 33855, 34040, 35535, 37698, 38110, 42090, 45140, 45732, 47380, 50264, 51060, 51911, 54168, 56120, 56856, 57165, 62830, 67710, 71070, 75396, 76220, 84180, 87653, 90280, 91464, 94245, 94760, 102120, 103822, 114330, 125660, 135420, 142140, 144509, 150792, 152440, 155733, 168360, 175306, 188490, 207644, 228660, 232471, 251320, 259555, 262959, 270840, 284280, 289018, 311466, 350612, 376980, 415288, 433527, 438265, 457320, 464942, 519110, 525918, 578036, 622932, 697413, 701224, 722545, 753960, 778665, 867054, 876530, 929884, 1038220, 1051836, 1156072, 1162355, 1245864, 1314795, 1394826, 1445090, 1557330, 1734108, 1753060, 1859768, 2076440, 2103672, 2167635, 2324710, 2629590, 2789652, 2890180, 3114660, 3468216, 3487065, 3506120, 4335270, 4649420, 5259180, 5346833, 5579304, 5780360, 6229320, 6974130, 8670540, 9298840, 10518360, 10693666, 13948260, 16040499, 17341080, 21387332, 26734165, 27896520, 32080998, 42774664, 53468330, 64161996, 80202495, 106936660, 128323992, 160404990, 213873320, 320809980, 641619960]

約数ペア:

[(1, 641619960), (2, 320809980), (3, 213873320), (4, 160404990), (5, 128323992), (6, 106936660), (8, 80202495), (10, 64161996), (12, 53468330), (15, 42774664), (20, 32080998), (23, 27896520), (24, 26734165), (30, 21387332), (37, 17341080), (40, 16040499), (46, 13948260), (60, 10693666), (61, 10518360), (69, 9298840), (74, 8670540), (92, 6974130), (103, 6229320), (111, 5780360), (115, 5579304), (120, 5346833), (122, 5259180), (138, 4649420), (148, 4335270), (183, 3506120), (184, 3487065), (185, 3468216), (206, 3114660), (222, 2890180), (230, 2789652), (244, 2629590), (276, 2324710), (296, 2167635), (305, 2103672), (309, 2076440), (345, 1859768), (366, 1753060), (370, 1734108), (412, 1557330), (444, 1445090), (460, 1394826), (488, 1314795), (515, 1245864), (552, 1162355), (555, 1156072), (610, 1051836), (618, 1038220), (690, 929884), (732, 876530), (740, 867054), (824, 778665), (851, 753960), (888, 722545), (915, 701224), (920, 697413), (1030, 622932), (1110, 578036), (1220, 525918), (1236, 519110), (1380, 464942), (1403, 457320), (1464, 438265), (1480, 433527), (1545, 415288), (1702, 376980), (1830, 350612), (2060, 311466), (2220, 289018), (2257, 284280), (2369, 270840), (2440, 262959), (2472, 259555), (2553, 251320), (2760, 232471), (2806, 228660), (3090, 207644), (3404, 188490), (3660, 175306), (3811, 168360), (4120, 155733), (4209, 152440), (4255, 150792), (4440, 144509), (4514, 142140), (4738, 135420), (5106, 125660), (5612, 114330), (6180, 103822), (6283, 102120), (6771, 94760), (6808, 94245), (7015, 91464), (7107, 90280), (7320, 87653), (7622, 84180), (8418, 76220), (8510, 75396), (9028, 71070), (9476, 67710), (10212, 62830), (11224, 57165), (11285, 56856), (11433, 56120), (11845, 54168), (12360, 51911), (12566, 51060), (12765, 50264), (13542, 47380), (14030, 45732), (14214, 45140), (15244, 42090), (16836, 38110), (17020, 37698), (18056, 35535), (18849, 34040), (18952, 33855), (19055, 33672), (20424, 31415), (21045, 30488), (22570, 28428), (22866, 28060), (23690, 27084), (25132, 25530)]