261760320

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{937}}^1$

素因数の和:1057

約数の個数: 168

約数和(自身を含む): 910599144

約数和(自身を除く): 648838824

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 97, 120, 144, 160, 180, 192, 194, 240, 288, 291, 320, 360, 388, 480, 485, 576, 582, 720, 776, 873, 937, 960, 970, 1164, 1440, 1455, 1552, 1746, 1874, 1940, 2328, 2811, 2880, 2910, 3104, 3492, 3748, 3880, 4365, 4656, 4685, 5622, 5820, 6208, 6984, 7496, 7760, 8433, 8730, 9312, 9370, 11244, 11640, 13968, 14055, 14992, 15520, 16866, 17460, 18624, 18740, 22488, 23280, 27936, 28110, 29984, 31040, 33732, 34920, 37480, 42165, 44976, 46560, 55872, 56220, 59968, 67464, 69840, 74960, 84330, 89952, 90889, 93120, 112440, 134928, 139680, 149920, 168660, 179904, 181778, 224880, 269856, 272667, 279360, 299840, 337320, 363556, 449760, 454445, 539712, 545334, 674640, 727112, 818001, 899520, 908890, 1090668, 1349280, 1363335, 1454224, 1636002, 1817780, 2181336, 2698560, 2726670, 2908448, 3272004, 3635560, 4090005, 4362672, 5453340, 5816896, 6544008, 7271120, 8180010, 8725344, 10906680, 13088016, 14542240, 16360020, 17450688, 21813360, 26176032, 29084480, 32720040, 43626720, 52352064, 65440080, 87253440, 130880160, 261760320]

約数ペア:

[(1, 261760320), (2, 130880160), (3, 87253440), (4, 65440080), (5, 52352064), (6, 43626720), (8, 32720040), (9, 29084480), (10, 26176032), (12, 21813360), (15, 17450688), (16, 16360020), (18, 14542240), (20, 13088016), (24, 10906680), (30, 8725344), (32, 8180010), (36, 7271120), (40, 6544008), (45, 5816896), (48, 5453340), (60, 4362672), (64, 4090005), (72, 3635560), (80, 3272004), (90, 2908448), (96, 2726670), (97, 2698560), (120, 2181336), (144, 1817780), (160, 1636002), (180, 1454224), (192, 1363335), (194, 1349280), (240, 1090668), (288, 908890), (291, 899520), (320, 818001), (360, 727112), (388, 674640), (480, 545334), (485, 539712), (576, 454445), (582, 449760), (720, 363556), (776, 337320), (873, 299840), (937, 279360), (960, 272667), (970, 269856), (1164, 224880), (1440, 181778), (1455, 179904), (1552, 168660), (1746, 149920), (1874, 139680), (1940, 134928), (2328, 112440), (2811, 93120), (2880, 90889), (2910, 89952), (3104, 84330), (3492, 74960), (3748, 69840), (3880, 67464), (4365, 59968), (4656, 56220), (4685, 55872), (5622, 46560), (5820, 44976), (6208, 42165), (6984, 37480), (7496, 34920), (7760, 33732), (8433, 31040), (8730, 29984), (9312, 28110), (9370, 27936), (11244, 23280), (11640, 22488), (13968, 18740), (14055, 18624), (14992, 17460), (15520, 16866)]