642591360

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{907}}^1$

素因数の和:976

約数の個数: 256

約数和(自身を含む): 2333923200

約数和(自身を除く): 1691331840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 41, 45, 48, 54, 60, 64, 72, 80, 82, 90, 96, 108, 120, 123, 128, 135, 144, 160, 164, 180, 192, 205, 216, 240, 246, 270, 288, 320, 328, 360, 369, 384, 410, 432, 480, 492, 540, 576, 615, 640, 656, 720, 738, 820, 864, 907, 960, 984, 1080, 1107, 1152, 1230, 1312, 1440, 1476, 1640, 1728, 1814, 1845, 1920, 1968, 2160, 2214, 2460, 2624, 2721, 2880, 2952, 3280, 3456, 3628, 3690, 3936, 4320, 4428, 4535, 4920, 5248, 5442, 5535, 5760, 5904, 6560, 7256, 7380, 7872, 8163, 8640, 8856, 9070, 9840, 10884, 11070, 11808, 13120, 13605, 14512, 14760, 15744, 16326, 17280, 17712, 18140, 19680, 21768, 22140, 23616, 24489, 26240, 27210, 29024, 29520, 32652, 35424, 36280, 37187, 39360, 40815, 43536, 44280, 47232, 48978, 54420, 58048, 59040, 65304, 70848, 72560, 74374, 78720, 81630, 87072, 88560, 97956, 108840, 111561, 116096, 118080, 122445, 130608, 141696, 145120, 148748, 163260, 174144, 177120, 185935, 195912, 217680, 223122, 236160, 244890, 261216, 290240, 297496, 326520, 334683, 348288, 354240, 371870, 391824, 435360, 446244, 489780, 522432, 557805, 580480, 594992, 653040, 669366, 708480, 743740, 783648, 870720, 892488, 979560, 1004049, 1044864, 1115610, 1189984, 1306080, 1338732, 1487480, 1567296, 1673415, 1741440, 1784976, 1959120, 2008098, 2231220, 2379968, 2612160, 2677464, 2974960, 3134592, 3346830, 3569952, 3918240, 4016196, 4462440, 4759936, 5020245, 5224320, 5354928, 5949920, 6693660, 7139904, 7836480, 8032392, 8924880, 10040490, 10709856, 11899840, 13387320, 14279808, 15672960, 16064784, 17849760, 20080980, 21419712, 23799680, 26774640, 32129568, 35699520, 40161960, 42839424, 53549280, 64259136, 71399040, 80323920, 107098560, 128518272, 160647840, 214197120, 321295680, 642591360]

約数ペア:

[(1, 642591360), (2, 321295680), (3, 214197120), (4, 160647840), (5, 128518272), (6, 107098560), (8, 80323920), (9, 71399040), (10, 64259136), (12, 53549280), (15, 42839424), (16, 40161960), (18, 35699520), (20, 32129568), (24, 26774640), (27, 23799680), (30, 21419712), (32, 20080980), (36, 17849760), (40, 16064784), (41, 15672960), (45, 14279808), (48, 13387320), (54, 11899840), (60, 10709856), (64, 10040490), (72, 8924880), (80, 8032392), (82, 7836480), (90, 7139904), (96, 6693660), (108, 5949920), (120, 5354928), (123, 5224320), (128, 5020245), (135, 4759936), (144, 4462440), (160, 4016196), (164, 3918240), (180, 3569952), (192, 3346830), (205, 3134592), (216, 2974960), (240, 2677464), (246, 2612160), (270, 2379968), (288, 2231220), (320, 2008098), (328, 1959120), (360, 1784976), (369, 1741440), (384, 1673415), (410, 1567296), (432, 1487480), (480, 1338732), (492, 1306080), (540, 1189984), (576, 1115610), (615, 1044864), (640, 1004049), (656, 979560), (720, 892488), (738, 870720), (820, 783648), (864, 743740), (907, 708480), (960, 669366), (984, 653040), (1080, 594992), (1107, 580480), (1152, 557805), (1230, 522432), (1312, 489780), (1440, 446244), (1476, 435360), (1640, 391824), (1728, 371870), (1814, 354240), (1845, 348288), (1920, 334683), (1968, 326520), (2160, 297496), (2214, 290240), (2460, 261216), (2624, 244890), (2721, 236160), (2880, 223122), (2952, 217680), (3280, 195912), (3456, 185935), (3628, 177120), (3690, 174144), (3936, 163260), (4320, 148748), (4428, 145120), (4535, 141696), (4920, 130608), (5248, 122445), (5442, 118080), (5535, 116096), (5760, 111561), (5904, 108840), (6560, 97956), (7256, 88560), (7380, 87072), (7872, 81630), (8163, 78720), (8640, 74374), (8856, 72560), (9070, 70848), (9840, 65304), (10884, 59040), (11070, 58048), (11808, 54420), (13120, 48978), (13605, 47232), (14512, 44280), (14760, 43536), (15744, 40815), (16326, 39360), (17280, 37187), (17712, 36280), (18140, 35424), (19680, 32652), (21768, 29520), (22140, 29024), (23616, 27210), (24489, 26240)]