20638586880

素因数分解:

$2^{11}\times 3^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{937}}^1$

素因数の和:1209

約数の個数: 288

約数和(自身を含む): 71905579200

約数和(自身を除く): 51266992320

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, 120, 128, 144, 160, 180, 192, 239, 240, 256, 288, 320, 360, 384, 478, 480, 512, 576, 640, 717, 720, 768, 937, 956, 960, 1024, 1152, 1195, 1280, 1434, 1440, 1536, 1874, 1912, 1920, 2048, 2151, 2304, 2390, 2560, 2811, 2868, 2880, 3072, 3585, 3748, 3824, 3840, 4302, 4608, 4685, 4780, 5120, 5622, 5736, 5760, 6144, 7170, 7496, 7648, 7680, 8433, 8604, 9216, 9370, 9560, 10240, 10755, 11244, 11472, 11520, 14055, 14340, 14992, 15296, 15360, 16866, 17208, 18432, 18740, 19120, 21510, 22488, 22944, 23040, 28110, 28680, 29984, 30592, 30720, 33732, 34416, 37480, 38240, 42165, 43020, 44976, 45888, 46080, 56220, 57360, 59968, 61184, 67464, 68832, 74960, 76480, 84330, 86040, 89952, 91776, 92160, 112440, 114720, 119936, 122368, 134928, 137664, 149920, 152960, 168660, 172080, 179904, 183552, 223943, 224880, 229440, 239872, 244736, 269856, 275328, 299840, 305920, 337320, 344160, 359808, 367104, 447886, 449760, 458880, 479744, 489472, 539712, 550656, 599680, 611840, 671829, 674640, 688320, 719616, 734208, 895772, 899520, 917760, 959488, 1079424, 1101312, 1119715, 1199360, 1223680, 1343658, 1349280, 1376640, 1439232, 1468416, 1791544, 1799040, 1835520, 1918976, 2015487, 2158848, 2202624, 2239430, 2398720, 2447360, 2687316, 2698560, 2753280, 2878464, 3359145, 3583088, 3598080, 3671040, 4030974, 4317696, 4405248, 4478860, 4797440, 5374632, 5397120, 5506560, 5756928, 6718290, 7166176, 7196160, 7342080, 8061948, 8635392, 8957720, 9594880, 10077435, 10749264, 10794240, 11013120, 13436580, 14332352, 14392320, 16123896, 17270784, 17915440, 20154870, 21498528, 21588480, 22026240, 26873160, 28664704, 28784640, 32247792, 35830880, 40309740, 42997056, 43176960, 53746320, 57329408, 64495584, 71661760, 80619480, 85994112, 86353920, 107492640, 114658816, 128991168, 143323520, 161238960, 171988224, 214985280, 229317632, 257982336, 286647040, 322477920, 343976448, 429970560, 458635264, 515964672, 573294080, 644955840, 687952896, 859941120, 1031929344, 1146588160, 1289911680, 1375905792, 1719882240, 2063858688, 2293176320, 2579823360, 3439764480, 4127717376, 5159646720, 6879528960, 10319293440, 20638586880]

約数ペア:

[(1, 20638586880), (2, 10319293440), (3, 6879528960), (4, 5159646720), (5, 4127717376), (6, 3439764480), (8, 2579823360), (9, 2293176320), (10, 2063858688), (12, 1719882240), (15, 1375905792), (16, 1289911680), (18, 1146588160), (20, 1031929344), (24, 859941120), (30, 687952896), (32, 644955840), (36, 573294080), (40, 515964672), (45, 458635264), (48, 429970560), (60, 343976448), (64, 322477920), (72, 286647040), (80, 257982336), (90, 229317632), (96, 214985280), (120, 171988224), (128, 161238960), (144, 143323520), (160, 128991168), (180, 114658816), (192, 107492640), (239, 86353920), (240, 85994112), (256, 80619480), (288, 71661760), (320, 64495584), (360, 57329408), (384, 53746320), (478, 43176960), (480, 42997056), (512, 40309740), (576, 35830880), (640, 32247792), (717, 28784640), (720, 28664704), (768, 26873160), (937, 22026240), (956, 21588480), (960, 21498528), (1024, 20154870), (1152, 17915440), (1195, 17270784), (1280, 16123896), (1434, 14392320), (1440, 14332352), (1536, 13436580), (1874, 11013120), (1912, 10794240), (1920, 10749264), (2048, 10077435), (2151, 9594880), (2304, 8957720), (2390, 8635392), (2560, 8061948), (2811, 7342080), (2868, 7196160), (2880, 7166176), (3072, 6718290), (3585, 5756928), (3748, 5506560), (3824, 5397120), (3840, 5374632), (4302, 4797440), (4608, 4478860), (4685, 4405248), (4780, 4317696), (5120, 4030974), (5622, 3671040), (5736, 3598080), (5760, 3583088), (6144, 3359145), (7170, 2878464), (7496, 2753280), (7648, 2698560), (7680, 2687316), (8433, 2447360), (8604, 2398720), (9216, 2239430), (9370, 2202624), (9560, 2158848), (10240, 2015487), (10755, 1918976), (11244, 1835520), (11472, 1799040), (11520, 1791544), (14055, 1468416), (14340, 1439232), (14992, 1376640), (15296, 1349280), (15360, 1343658), (16866, 1223680), (17208, 1199360), (18432, 1119715), (18740, 1101312), (19120, 1079424), (21510, 959488), (22488, 917760), (22944, 899520), (23040, 895772), (28110, 734208), (28680, 719616), (29984, 688320), (30592, 674640), (30720, 671829), (33732, 611840), (34416, 599680), (37480, 550656), (38240, 539712), (42165, 489472), (43020, 479744), (44976, 458880), (45888, 449760), (46080, 447886), (56220, 367104), (57360, 359808), (59968, 344160), (61184, 337320), (67464, 305920), (68832, 299840), (74960, 275328), (76480, 269856), (84330, 244736), (86040, 239872), (89952, 229440), (91776, 224880), (92160, 223943), (112440, 183552), (114720, 179904), (119936, 172080), (122368, 168660), (134928, 152960), (137664, 149920)]