641796480

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2857}}^1$

素因数の和:2898

約数の個数: 256

約数和(自身を含む): 2448734400

約数和(自身を除く): 1806937920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 32, 36, 39, 40, 45, 48, 52, 54, 60, 64, 65, 72, 78, 80, 90, 96, 104, 108, 117, 120, 128, 130, 135, 144, 156, 160, 180, 192, 195, 208, 216, 234, 240, 260, 270, 288, 312, 320, 351, 360, 384, 390, 416, 432, 468, 480, 520, 540, 576, 585, 624, 640, 702, 720, 780, 832, 864, 936, 960, 1040, 1080, 1152, 1170, 1248, 1404, 1440, 1560, 1664, 1728, 1755, 1872, 1920, 2080, 2160, 2340, 2496, 2808, 2857, 2880, 3120, 3456, 3510, 3744, 4160, 4320, 4680, 4992, 5616, 5714, 5760, 6240, 7020, 7488, 8320, 8571, 8640, 9360, 11232, 11428, 12480, 14040, 14285, 14976, 17142, 17280, 18720, 22464, 22856, 24960, 25713, 28080, 28570, 34284, 37141, 37440, 42855, 44928, 45712, 51426, 56160, 57140, 68568, 74282, 74880, 77139, 85710, 91424, 102852, 111423, 112320, 114280, 128565, 137136, 148564, 154278, 171420, 182848, 185705, 205704, 222846, 224640, 228560, 257130, 274272, 297128, 308556, 334269, 342840, 365696, 371410, 385695, 411408, 445692, 457120, 514260, 548544, 557115, 594256, 617112, 668538, 685680, 742820, 771390, 822816, 891384, 914240, 1002807, 1028520, 1097088, 1114230, 1188512, 1234224, 1337076, 1371360, 1485640, 1542780, 1645632, 1671345, 1782768, 1828480, 2005614, 2057040, 2228460, 2377024, 2468448, 2674152, 2742720, 2971280, 3085560, 3291264, 3342690, 3565536, 4011228, 4114080, 4456920, 4754048, 4936896, 5014035, 5348304, 5485440, 5942560, 6171120, 6685380, 7131072, 8022456, 8228160, 8913840, 9873792, 10028070, 10696608, 11885120, 12342240, 13370760, 14262144, 16044912, 16456320, 17827680, 20056140, 21393216, 23770240, 24684480, 26741520, 32089824, 35655360, 40112280, 42786432, 49368960, 53483040, 64179648, 71310720, 80224560, 106966080, 128359296, 160449120, 213932160, 320898240, 641796480]

約数ペア:

[(1, 641796480), (2, 320898240), (3, 213932160), (4, 160449120), (5, 128359296), (6, 106966080), (8, 80224560), (9, 71310720), (10, 64179648), (12, 53483040), (13, 49368960), (15, 42786432), (16, 40112280), (18, 35655360), (20, 32089824), (24, 26741520), (26, 24684480), (27, 23770240), (30, 21393216), (32, 20056140), (36, 17827680), (39, 16456320), (40, 16044912), (45, 14262144), (48, 13370760), (52, 12342240), (54, 11885120), (60, 10696608), (64, 10028070), (65, 9873792), (72, 8913840), (78, 8228160), (80, 8022456), (90, 7131072), (96, 6685380), (104, 6171120), (108, 5942560), (117, 5485440), (120, 5348304), (128, 5014035), (130, 4936896), (135, 4754048), (144, 4456920), (156, 4114080), (160, 4011228), (180, 3565536), (192, 3342690), (195, 3291264), (208, 3085560), (216, 2971280), (234, 2742720), (240, 2674152), (260, 2468448), (270, 2377024), (288, 2228460), (312, 2057040), (320, 2005614), (351, 1828480), (360, 1782768), (384, 1671345), (390, 1645632), (416, 1542780), (432, 1485640), (468, 1371360), (480, 1337076), (520, 1234224), (540, 1188512), (576, 1114230), (585, 1097088), (624, 1028520), (640, 1002807), (702, 914240), (720, 891384), (780, 822816), (832, 771390), (864, 742820), (936, 685680), (960, 668538), (1040, 617112), (1080, 594256), (1152, 557115), (1170, 548544), (1248, 514260), (1404, 457120), (1440, 445692), (1560, 411408), (1664, 385695), (1728, 371410), (1755, 365696), (1872, 342840), (1920, 334269), (2080, 308556), (2160, 297128), (2340, 274272), (2496, 257130), (2808, 228560), (2857, 224640), (2880, 222846), (3120, 205704), (3456, 185705), (3510, 182848), (3744, 171420), (4160, 154278), (4320, 148564), (4680, 137136), (4992, 128565), (5616, 114280), (5714, 112320), (5760, 111423), (6240, 102852), (7020, 91424), (7488, 85710), (8320, 77139), (8571, 74880), (8640, 74282), (9360, 68568), (11232, 57140), (11428, 56160), (12480, 51426), (14040, 45712), (14285, 44928), (14976, 42855), (17142, 37440), (17280, 37141), (18720, 34284), (22464, 28570), (22856, 28080), (24960, 25713)]