421658640

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2371}}^1$

素因数の和:2422

約数の個数: 240

約数和(自身を含む): 1605938880

約数和(自身を除く): 1184280240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 19, 20, 24, 26, 30, 36, 38, 39, 40, 45, 48, 52, 57, 60, 65, 72, 76, 78, 80, 90, 95, 104, 114, 117, 120, 130, 144, 152, 156, 171, 180, 190, 195, 208, 228, 234, 240, 247, 260, 285, 304, 312, 342, 360, 380, 390, 456, 468, 494, 520, 570, 585, 624, 684, 720, 741, 760, 780, 855, 912, 936, 988, 1040, 1140, 1170, 1235, 1368, 1482, 1520, 1560, 1710, 1872, 1976, 2223, 2280, 2340, 2371, 2470, 2736, 2964, 3120, 3420, 3705, 3952, 4446, 4560, 4680, 4742, 4940, 5928, 6840, 7113, 7410, 8892, 9360, 9484, 9880, 11115, 11855, 11856, 13680, 14226, 14820, 17784, 18968, 19760, 21339, 22230, 23710, 28452, 29640, 30823, 35565, 35568, 37936, 42678, 44460, 45049, 47420, 56904, 59280, 61646, 71130, 85356, 88920, 90098, 92469, 94840, 106695, 113808, 123292, 135147, 142260, 154115, 170712, 177840, 180196, 184938, 189680, 213390, 225245, 246584, 270294, 277407, 284520, 308230, 341424, 360392, 369876, 405441, 426780, 450490, 462345, 493168, 540588, 554814, 569040, 585637, 616460, 675735, 720784, 739752, 810882, 853560, 900980, 924690, 1081176, 1109628, 1171274, 1232920, 1351470, 1387035, 1479504, 1621764, 1707120, 1756911, 1801960, 1849380, 2027205, 2162352, 2219256, 2342548, 2465840, 2702940, 2774070, 2928185, 3243528, 3513822, 3603920, 3698760, 4054410, 4438512, 4685096, 5270733, 5405880, 5548140, 5856370, 6487056, 7027644, 7397520, 8108820, 8784555, 9370192, 10541466, 10811760, 11096280, 11712740, 14055288, 16217640, 17569110, 21082932, 22192560, 23425480, 26353665, 28110576, 32435280, 35138220, 42165864, 46850960, 52707330, 70276440, 84331728, 105414660, 140552880, 210829320, 421658640]

約数ペア:

[(1, 421658640), (2, 210829320), (3, 140552880), (4, 105414660), (5, 84331728), (6, 70276440), (8, 52707330), (9, 46850960), (10, 42165864), (12, 35138220), (13, 32435280), (15, 28110576), (16, 26353665), (18, 23425480), (19, 22192560), (20, 21082932), (24, 17569110), (26, 16217640), (30, 14055288), (36, 11712740), (38, 11096280), (39, 10811760), (40, 10541466), (45, 9370192), (48, 8784555), (52, 8108820), (57, 7397520), (60, 7027644), (65, 6487056), (72, 5856370), (76, 5548140), (78, 5405880), (80, 5270733), (90, 4685096), (95, 4438512), (104, 4054410), (114, 3698760), (117, 3603920), (120, 3513822), (130, 3243528), (144, 2928185), (152, 2774070), (156, 2702940), (171, 2465840), (180, 2342548), (190, 2219256), (195, 2162352), (208, 2027205), (228, 1849380), (234, 1801960), (240, 1756911), (247, 1707120), (260, 1621764), (285, 1479504), (304, 1387035), (312, 1351470), (342, 1232920), (360, 1171274), (380, 1109628), (390, 1081176), (456, 924690), (468, 900980), (494, 853560), (520, 810882), (570, 739752), (585, 720784), (624, 675735), (684, 616460), (720, 585637), (741, 569040), (760, 554814), (780, 540588), (855, 493168), (912, 462345), (936, 450490), (988, 426780), (1040, 405441), (1140, 369876), (1170, 360392), (1235, 341424), (1368, 308230), (1482, 284520), (1520, 277407), (1560, 270294), (1710, 246584), (1872, 225245), (1976, 213390), (2223, 189680), (2280, 184938), (2340, 180196), (2371, 177840), (2470, 170712), (2736, 154115), (2964, 142260), (3120, 135147), (3420, 123292), (3705, 113808), (3952, 106695), (4446, 94840), (4560, 92469), (4680, 90098), (4742, 88920), (4940, 85356), (5928, 71130), (6840, 61646), (7113, 59280), (7410, 56904), (8892, 47420), (9360, 45049), (9484, 44460), (9880, 42678), (11115, 37936), (11855, 35568), (11856, 35565), (13680, 30823), (14226, 29640), (14820, 28452), (17784, 23710), (18968, 22230), (19760, 21339)]