401552640

素因数分解:

$2^8\times 3^5\times 5^1\times {\mathrm{1291}}^1$

素因数の和:1327

約数の個数: 216

約数和(自身を含む): 1441903008

約数和(自身を除く): 1040350368

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 81, 90, 96, 108, 120, 128, 135, 144, 160, 162, 180, 192, 216, 240, 243, 256, 270, 288, 320, 324, 360, 384, 405, 432, 480, 486, 540, 576, 640, 648, 720, 768, 810, 864, 960, 972, 1080, 1152, 1215, 1280, 1291, 1296, 1440, 1620, 1728, 1920, 1944, 2160, 2304, 2430, 2582, 2592, 2880, 3240, 3456, 3840, 3873, 3888, 4320, 4860, 5164, 5184, 5760, 6455, 6480, 6912, 7746, 7776, 8640, 9720, 10328, 10368, 11520, 11619, 12910, 12960, 15492, 15552, 17280, 19365, 19440, 20656, 20736, 23238, 25820, 25920, 30984, 31104, 34560, 34857, 38730, 38880, 41312, 46476, 51640, 51840, 58095, 61968, 62208, 69714, 77460, 77760, 82624, 92952, 103280, 103680, 104571, 116190, 123936, 139428, 154920, 155520, 165248, 174285, 185904, 206560, 209142, 232380, 247872, 278856, 309840, 311040, 313713, 330496, 348570, 371808, 413120, 418284, 464760, 495744, 522855, 557712, 619680, 627426, 697140, 743616, 826240, 836568, 929520, 991488, 1045710, 1115424, 1239360, 1254852, 1394280, 1487232, 1568565, 1652480, 1673136, 1859040, 2091420, 2230848, 2478720, 2509704, 2788560, 2974464, 3137130, 3346272, 3718080, 4182840, 4461696, 4957440, 5019408, 5577120, 6274260, 6692544, 7436160, 8365680, 8923392, 10038816, 11154240, 12548520, 13385088, 14872320, 16731360, 20077632, 22308480, 25097040, 26770176, 33462720, 40155264, 44616960, 50194080, 66925440, 80310528, 100388160, 133850880, 200776320, 401552640]

約数ペア:

[(1, 401552640), (2, 200776320), (3, 133850880), (4, 100388160), (5, 80310528), (6, 66925440), (8, 50194080), (9, 44616960), (10, 40155264), (12, 33462720), (15, 26770176), (16, 25097040), (18, 22308480), (20, 20077632), (24, 16731360), (27, 14872320), (30, 13385088), (32, 12548520), (36, 11154240), (40, 10038816), (45, 8923392), (48, 8365680), (54, 7436160), (60, 6692544), (64, 6274260), (72, 5577120), (80, 5019408), (81, 4957440), (90, 4461696), (96, 4182840), (108, 3718080), (120, 3346272), (128, 3137130), (135, 2974464), (144, 2788560), (160, 2509704), (162, 2478720), (180, 2230848), (192, 2091420), (216, 1859040), (240, 1673136), (243, 1652480), (256, 1568565), (270, 1487232), (288, 1394280), (320, 1254852), (324, 1239360), (360, 1115424), (384, 1045710), (405, 991488), (432, 929520), (480, 836568), (486, 826240), (540, 743616), (576, 697140), (640, 627426), (648, 619680), (720, 557712), (768, 522855), (810, 495744), (864, 464760), (960, 418284), (972, 413120), (1080, 371808), (1152, 348570), (1215, 330496), (1280, 313713), (1291, 311040), (1296, 309840), (1440, 278856), (1620, 247872), (1728, 232380), (1920, 209142), (1944, 206560), (2160, 185904), (2304, 174285), (2430, 165248), (2582, 155520), (2592, 154920), (2880, 139428), (3240, 123936), (3456, 116190), (3840, 104571), (3873, 103680), (3888, 103280), (4320, 92952), (4860, 82624), (5164, 77760), (5184, 77460), (5760, 69714), (6455, 62208), (6480, 61968), (6912, 58095), (7746, 51840), (7776, 51640), (8640, 46476), (9720, 41312), (10328, 38880), (10368, 38730), (11520, 34857), (11619, 34560), (12910, 31104), (12960, 30984), (15492, 25920), (15552, 25820), (17280, 23238), (19365, 20736), (19440, 20656)]