1561069440

素因数分解:

$2^7\times 3^2\times 5^1\times 7^2\times {\mathrm{5531}}^1$

素因数の和:5570

約数の個数: 288

約数和(自身を含む): 6271794360

約数和(自身を除く): 4710724920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 49, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 98, 105, 112, 120, 126, 128, 140, 144, 147, 160, 168, 180, 192, 196, 210, 224, 240, 245, 252, 280, 288, 294, 315, 320, 336, 360, 384, 392, 420, 441, 448, 480, 490, 504, 560, 576, 588, 630, 640, 672, 720, 735, 784, 840, 882, 896, 960, 980, 1008, 1120, 1152, 1176, 1260, 1344, 1440, 1470, 1568, 1680, 1764, 1920, 1960, 2016, 2205, 2240, 2352, 2520, 2688, 2880, 2940, 3136, 3360, 3528, 3920, 4032, 4410, 4480, 4704, 5040, 5531, 5760, 5880, 6272, 6720, 7056, 7840, 8064, 8820, 9408, 10080, 11062, 11760, 13440, 14112, 15680, 16593, 17640, 18816, 20160, 22124, 23520, 27655, 28224, 31360, 33186, 35280, 38717, 40320, 44248, 47040, 49779, 55310, 56448, 66372, 70560, 77434, 82965, 88496, 94080, 99558, 110620, 116151, 132744, 141120, 154868, 165930, 176992, 193585, 199116, 221240, 232302, 248895, 265488, 271019, 282240, 309736, 331860, 348453, 353984, 387170, 398232, 442480, 464604, 497790, 530976, 542038, 580755, 619472, 663720, 696906, 707968, 774340, 796464, 813057, 884960, 929208, 995580, 1061952, 1084076, 1161510, 1238944, 1327440, 1355095, 1393812, 1548680, 1592928, 1626114, 1742265, 1769920, 1858416, 1991160, 2123904, 2168152, 2323020, 2439171, 2477888, 2654880, 2710190, 2787624, 3097360, 3185856, 3252228, 3484530, 3539840, 3716832, 3982320, 4065285, 4336304, 4646040, 4878342, 4955776, 5309760, 5420380, 5575248, 6194720, 6371712, 6504456, 6969060, 7433664, 7964640, 8130570, 8672608, 9292080, 9756684, 10619520, 10840760, 11150496, 12195855, 12389440, 13008912, 13938120, 14867328, 15929280, 16261140, 17345216, 18584160, 19513368, 21681520, 22300992, 24391710, 24778880, 26017824, 27876240, 31858560, 32522280, 34690432, 37168320, 39026736, 43363040, 44601984, 48783420, 52035648, 55752480, 65044560, 74336640, 78053472, 86726080, 97566840, 104071296, 111504960, 130089120, 156106944, 173452160, 195133680, 223009920, 260178240, 312213888, 390267360, 520356480, 780534720, 1561069440]

約数ペア:

[(1, 1561069440), (2, 780534720), (3, 520356480), (4, 390267360), (5, 312213888), (6, 260178240), (7, 223009920), (8, 195133680), (9, 173452160), (10, 156106944), (12, 130089120), (14, 111504960), (15, 104071296), (16, 97566840), (18, 86726080), (20, 78053472), (21, 74336640), (24, 65044560), (28, 55752480), (30, 52035648), (32, 48783420), (35, 44601984), (36, 43363040), (40, 39026736), (42, 37168320), (45, 34690432), (48, 32522280), (49, 31858560), (56, 27876240), (60, 26017824), (63, 24778880), (64, 24391710), (70, 22300992), (72, 21681520), (80, 19513368), (84, 18584160), (90, 17345216), (96, 16261140), (98, 15929280), (105, 14867328), (112, 13938120), (120, 13008912), (126, 12389440), (128, 12195855), (140, 11150496), (144, 10840760), (147, 10619520), (160, 9756684), (168, 9292080), (180, 8672608), (192, 8130570), (196, 7964640), (210, 7433664), (224, 6969060), (240, 6504456), (245, 6371712), (252, 6194720), (280, 5575248), (288, 5420380), (294, 5309760), (315, 4955776), (320, 4878342), (336, 4646040), (360, 4336304), (384, 4065285), (392, 3982320), (420, 3716832), (441, 3539840), (448, 3484530), (480, 3252228), (490, 3185856), (504, 3097360), (560, 2787624), (576, 2710190), (588, 2654880), (630, 2477888), (640, 2439171), (672, 2323020), (720, 2168152), (735, 2123904), (784, 1991160), (840, 1858416), (882, 1769920), (896, 1742265), (960, 1626114), (980, 1592928), (1008, 1548680), (1120, 1393812), (1152, 1355095), (1176, 1327440), (1260, 1238944), (1344, 1161510), (1440, 1084076), (1470, 1061952), (1568, 995580), (1680, 929208), (1764, 884960), (1920, 813057), (1960, 796464), (2016, 774340), (2205, 707968), (2240, 696906), (2352, 663720), (2520, 619472), (2688, 580755), (2880, 542038), (2940, 530976), (3136, 497790), (3360, 464604), (3528, 442480), (3920, 398232), (4032, 387170), (4410, 353984), (4480, 348453), (4704, 331860), (5040, 309736), (5531, 282240), (5760, 271019), (5880, 265488), (6272, 248895), (6720, 232302), (7056, 221240), (7840, 199116), (8064, 193585), (8820, 176992), (9408, 165930), (10080, 154868), (11062, 141120), (11760, 132744), (13440, 116151), (14112, 110620), (15680, 99558), (16593, 94080), (17640, 88496), (18816, 82965), (20160, 77434), (22124, 70560), (23520, 66372), (27655, 56448), (28224, 55310), (31360, 49779), (33186, 47040), (35280, 44248), (38717, 40320)]