400044480

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{881}}^1$

素因数の和:955

約数の個数: 224

約数和(自身を含む): 1419441408

約数和(自身を除く): 1019396928

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 43, 44, 48, 55, 60, 64, 66, 80, 86, 88, 96, 110, 120, 129, 132, 160, 165, 172, 176, 192, 215, 220, 240, 258, 264, 320, 330, 344, 352, 430, 440, 473, 480, 516, 528, 645, 660, 688, 704, 860, 880, 881, 946, 960, 1032, 1056, 1290, 1320, 1376, 1419, 1720, 1760, 1762, 1892, 2064, 2112, 2365, 2580, 2640, 2643, 2752, 2838, 3440, 3520, 3524, 3784, 4128, 4405, 4730, 5160, 5280, 5286, 5676, 6880, 7048, 7095, 7568, 8256, 8810, 9460, 9691, 10320, 10560, 10572, 11352, 13215, 13760, 14096, 14190, 15136, 17620, 18920, 19382, 20640, 21144, 22704, 26430, 28192, 28380, 29073, 30272, 35240, 37840, 37883, 38764, 41280, 42288, 45408, 48455, 52860, 56384, 56760, 58146, 70480, 75680, 75766, 77528, 84576, 90816, 96910, 105720, 113520, 113649, 116292, 140960, 145365, 151360, 151532, 155056, 169152, 189415, 193820, 211440, 227040, 227298, 232584, 281920, 290730, 303064, 310112, 378830, 387640, 416713, 422880, 454080, 454596, 465168, 568245, 581460, 606128, 620224, 757660, 775280, 833426, 845760, 909192, 930336, 1136490, 1162920, 1212256, 1250139, 1515320, 1550560, 1666852, 1818384, 1860672, 2083565, 2272980, 2325840, 2424512, 2500278, 3030640, 3101120, 3333704, 3636768, 4167130, 4545960, 4651680, 5000556, 6061280, 6250695, 6667408, 7273536, 8334260, 9091920, 9303360, 10001112, 12122560, 12501390, 13334816, 16668520, 18183840, 20002224, 25002780, 26669632, 33337040, 36367680, 40004448, 50005560, 66674080, 80008896, 100011120, 133348160, 200022240, 400044480]

約数ペア:

[(1, 400044480), (2, 200022240), (3, 133348160), (4, 100011120), (5, 80008896), (6, 66674080), (8, 50005560), (10, 40004448), (11, 36367680), (12, 33337040), (15, 26669632), (16, 25002780), (20, 20002224), (22, 18183840), (24, 16668520), (30, 13334816), (32, 12501390), (33, 12122560), (40, 10001112), (43, 9303360), (44, 9091920), (48, 8334260), (55, 7273536), (60, 6667408), (64, 6250695), (66, 6061280), (80, 5000556), (86, 4651680), (88, 4545960), (96, 4167130), (110, 3636768), (120, 3333704), (129, 3101120), (132, 3030640), (160, 2500278), (165, 2424512), (172, 2325840), (176, 2272980), (192, 2083565), (215, 1860672), (220, 1818384), (240, 1666852), (258, 1550560), (264, 1515320), (320, 1250139), (330, 1212256), (344, 1162920), (352, 1136490), (430, 930336), (440, 909192), (473, 845760), (480, 833426), (516, 775280), (528, 757660), (645, 620224), (660, 606128), (688, 581460), (704, 568245), (860, 465168), (880, 454596), (881, 454080), (946, 422880), (960, 416713), (1032, 387640), (1056, 378830), (1290, 310112), (1320, 303064), (1376, 290730), (1419, 281920), (1720, 232584), (1760, 227298), (1762, 227040), (1892, 211440), (2064, 193820), (2112, 189415), (2365, 169152), (2580, 155056), (2640, 151532), (2643, 151360), (2752, 145365), (2838, 140960), (3440, 116292), (3520, 113649), (3524, 113520), (3784, 105720), (4128, 96910), (4405, 90816), (4730, 84576), (5160, 77528), (5280, 75766), (5286, 75680), (5676, 70480), (6880, 58146), (7048, 56760), (7095, 56384), (7568, 52860), (8256, 48455), (8810, 45408), (9460, 42288), (9691, 41280), (10320, 38764), (10560, 37883), (10572, 37840), (11352, 35240), (13215, 30272), (13760, 29073), (14096, 28380), (14190, 28192), (15136, 26430), (17620, 22704), (18920, 21144), (19382, 20640)]