21501751680

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{409}}^1\times {\mathrm{9127}}^1$

素因数の和:9561

約数の個数: 192

約数和(自身を含む): 74437927200

約数和(自身を除く): 52936175520

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, 240, 288, 320, 360, 384, 409, 480, 576, 640, 720, 818, 960, 1152, 1227, 1440, 1636, 1920, 2045, 2454, 2880, 3272, 3681, 4090, 4908, 5760, 6135, 6544, 7362, 8180, 9127, 9816, 12270, 13088, 14724, 16360, 18254, 18405, 19632, 24540, 26176, 27381, 29448, 32720, 36508, 36810, 39264, 45635, 49080, 52352, 54762, 58896, 65440, 73016, 73620, 78528, 82143, 91270, 98160, 109524, 117792, 130880, 136905, 146032, 147240, 157056, 164286, 182540, 196320, 219048, 235584, 261760, 273810, 292064, 294480, 328572, 365080, 392640, 410715, 438096, 471168, 547620, 584128, 588960, 657144, 730160, 785280, 821430, 876192, 1095240, 1168256, 1177920, 1314288, 1460320, 1642860, 1752384, 2190480, 2355840, 2628576, 2920640, 3285720, 3504768, 3732943, 4380960, 5257152, 5841280, 6571440, 7465886, 8761920, 10514304, 11198829, 13142880, 14931772, 17523840, 18664715, 22397658, 26285760, 29863544, 33596487, 37329430, 44795316, 52571520, 55994145, 59727088, 67192974, 74658860, 89590632, 111988290, 119454176, 134385948, 149317720, 167982435, 179181264, 223976580, 238908352, 268771896, 298635440, 335964870, 358362528, 447953160, 477816704, 537543792, 597270880, 671929740, 716725056, 895906320, 1075087584, 1194541760, 1343859480, 1433450112, 1791812640, 2150175168, 2389083520, 2687718960, 3583625280, 4300350336, 5375437920, 7167250560, 10750875840, 21501751680]

約数ペア:

[(1, 21501751680), (2, 10750875840), (3, 7167250560), (4, 5375437920), (5, 4300350336), (6, 3583625280), (8, 2687718960), (9, 2389083520), (10, 2150175168), (12, 1791812640), (15, 1433450112), (16, 1343859480), (18, 1194541760), (20, 1075087584), (24, 895906320), (30, 716725056), (32, 671929740), (36, 597270880), (40, 537543792), (45, 477816704), (48, 447953160), (60, 358362528), (64, 335964870), (72, 298635440), (80, 268771896), (90, 238908352), (96, 223976580), (120, 179181264), (128, 167982435), (144, 149317720), (160, 134385948), (180, 119454176), (192, 111988290), (240, 89590632), (288, 74658860), (320, 67192974), (360, 59727088), (384, 55994145), (409, 52571520), (480, 44795316), (576, 37329430), (640, 33596487), (720, 29863544), (818, 26285760), (960, 22397658), (1152, 18664715), (1227, 17523840), (1440, 14931772), (1636, 13142880), (1920, 11198829), (2045, 10514304), (2454, 8761920), (2880, 7465886), (3272, 6571440), (3681, 5841280), (4090, 5257152), (4908, 4380960), (5760, 3732943), (6135, 3504768), (6544, 3285720), (7362, 2920640), (8180, 2628576), (9127, 2355840), (9816, 2190480), (12270, 1752384), (13088, 1642860), (14724, 1460320), (16360, 1314288), (18254, 1177920), (18405, 1168256), (19632, 1095240), (24540, 876192), (26176, 821430), (27381, 785280), (29448, 730160), (32720, 657144), (36508, 588960), (36810, 584128), (39264, 547620), (45635, 471168), (49080, 438096), (52352, 410715), (54762, 392640), (58896, 365080), (65440, 328572), (73016, 294480), (73620, 292064), (78528, 273810), (82143, 261760), (91270, 235584), (98160, 219048), (109524, 196320), (117792, 182540), (130880, 164286), (136905, 157056), (146032, 147240)]