644520960

素因数分解:

$2^{10}\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1$

素因数の和:299

約数の個数: 264

約数和(自身を含む): 2276198496

約数和(自身を除く): 1631677536

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, 71, 72, 80, 90, 96, 120, 128, 142, 144, 160, 180, 192, 197, 213, 240, 256, 284, 288, 320, 355, 360, 384, 394, 426, 480, 512, 568, 576, 591, 639, 640, 710, 720, 768, 788, 852, 960, 985, 1024, 1065, 1136, 1152, 1182, 1278, 1280, 1420, 1440, 1536, 1576, 1704, 1773, 1920, 1970, 2130, 2272, 2304, 2364, 2556, 2560, 2840, 2880, 2955, 3072, 3152, 3195, 3408, 3546, 3840, 3940, 4260, 4544, 4608, 4728, 5112, 5120, 5680, 5760, 5910, 6304, 6390, 6816, 7092, 7680, 7880, 8520, 8865, 9088, 9216, 9456, 10224, 11360, 11520, 11820, 12608, 12780, 13632, 13987, 14184, 15360, 15760, 17040, 17730, 18176, 18912, 20448, 22720, 23040, 23640, 25216, 25560, 27264, 27974, 28368, 31520, 34080, 35460, 36352, 37824, 40896, 41961, 45440, 46080, 47280, 50432, 51120, 54528, 55948, 56736, 63040, 68160, 69935, 70920, 72704, 75648, 81792, 83922, 90880, 94560, 100864, 102240, 109056, 111896, 113472, 125883, 126080, 136320, 139870, 141840, 151296, 163584, 167844, 181760, 189120, 201728, 204480, 209805, 218112, 223792, 226944, 251766, 252160, 272640, 279740, 283680, 302592, 327168, 335688, 363520, 378240, 408960, 419610, 447584, 453888, 503532, 504320, 545280, 559480, 567360, 605184, 629415, 654336, 671376, 756480, 817920, 839220, 895168, 907776, 1007064, 1008640, 1090560, 1118960, 1134720, 1258830, 1342752, 1512960, 1635840, 1678440, 1790336, 1815552, 2014128, 2237920, 2269440, 2517660, 2685504, 3025920, 3271680, 3356880, 3580672, 4028256, 4475840, 4538880, 5035320, 5371008, 6713760, 7161344, 8056512, 8951680, 9077760, 10070640, 10742016, 13427520, 14322688, 16113024, 17903360, 20141280, 21484032, 26855040, 32226048, 35806720, 40282560, 42968064, 53710080, 64452096, 71613440, 80565120, 107420160, 128904192, 161130240, 214840320, 322260480, 644520960]

約数ペア:

[(1, 644520960), (2, 322260480), (3, 214840320), (4, 161130240), (5, 128904192), (6, 107420160), (8, 80565120), (9, 71613440), (10, 64452096), (12, 53710080), (15, 42968064), (16, 40282560), (18, 35806720), (20, 32226048), (24, 26855040), (30, 21484032), (32, 20141280), (36, 17903360), (40, 16113024), (45, 14322688), (48, 13427520), (60, 10742016), (64, 10070640), (71, 9077760), (72, 8951680), (80, 8056512), (90, 7161344), (96, 6713760), (120, 5371008), (128, 5035320), (142, 4538880), (144, 4475840), (160, 4028256), (180, 3580672), (192, 3356880), (197, 3271680), (213, 3025920), (240, 2685504), (256, 2517660), (284, 2269440), (288, 2237920), (320, 2014128), (355, 1815552), (360, 1790336), (384, 1678440), (394, 1635840), (426, 1512960), (480, 1342752), (512, 1258830), (568, 1134720), (576, 1118960), (591, 1090560), (639, 1008640), (640, 1007064), (710, 907776), (720, 895168), (768, 839220), (788, 817920), (852, 756480), (960, 671376), (985, 654336), (1024, 629415), (1065, 605184), (1136, 567360), (1152, 559480), (1182, 545280), (1278, 504320), (1280, 503532), (1420, 453888), (1440, 447584), (1536, 419610), (1576, 408960), (1704, 378240), (1773, 363520), (1920, 335688), (1970, 327168), (2130, 302592), (2272, 283680), (2304, 279740), (2364, 272640), (2556, 252160), (2560, 251766), (2840, 226944), (2880, 223792), (2955, 218112), (3072, 209805), (3152, 204480), (3195, 201728), (3408, 189120), (3546, 181760), (3840, 167844), (3940, 163584), (4260, 151296), (4544, 141840), (4608, 139870), (4728, 136320), (5112, 126080), (5120, 125883), (5680, 113472), (5760, 111896), (5910, 109056), (6304, 102240), (6390, 100864), (6816, 94560), (7092, 90880), (7680, 83922), (7880, 81792), (8520, 75648), (8865, 72704), (9088, 70920), (9216, 69935), (9456, 68160), (10224, 63040), (11360, 56736), (11520, 55948), (11820, 54528), (12608, 51120), (12780, 50432), (13632, 47280), (13987, 46080), (14184, 45440), (15360, 41961), (15760, 40896), (17040, 37824), (17730, 36352), (18176, 35460), (18912, 34080), (20448, 31520), (22720, 28368), (23040, 27974), (23640, 27264), (25216, 25560)]