641589120

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{347}}^1$

素因数の和:482

約数の個数: 256

約数和(自身を含む): 2300140800

約数和(自身を除く): 1658551680

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, 90, 96, 107, 108, 120, 128, 135, 144, 160, 180, 192, 214, 216, 240, 270, 288, 320, 321, 347, 360, 384, 428, 432, 480, 535, 540, 576, 640, 642, 694, 720, 856, 864, 960, 963, 1041, 1070, 1080, 1152, 1284, 1388, 1440, 1605, 1712, 1728, 1735, 1920, 1926, 2082, 2140, 2160, 2568, 2776, 2880, 2889, 3123, 3210, 3424, 3456, 3470, 3852, 4164, 4280, 4320, 4815, 5136, 5205, 5552, 5760, 5778, 6246, 6420, 6848, 6940, 7704, 8328, 8560, 8640, 9369, 9630, 10272, 10410, 11104, 11556, 12492, 12840, 13696, 13880, 14445, 15408, 15615, 16656, 17120, 17280, 18738, 19260, 20544, 20820, 22208, 23112, 24984, 25680, 27760, 28890, 30816, 31230, 33312, 34240, 37129, 37476, 38520, 41088, 41640, 44416, 46224, 46845, 49968, 51360, 55520, 57780, 61632, 62460, 66624, 68480, 74258, 74952, 77040, 83280, 92448, 93690, 99936, 102720, 111040, 111387, 115560, 123264, 124920, 133248, 148516, 149904, 154080, 166560, 184896, 185645, 187380, 199872, 205440, 222080, 222774, 231120, 249840, 297032, 299808, 308160, 333120, 334161, 369792, 371290, 374760, 399744, 445548, 462240, 499680, 556935, 594064, 599616, 616320, 666240, 668322, 742580, 749520, 891096, 924480, 999360, 1002483, 1113870, 1188128, 1199232, 1336644, 1485160, 1499040, 1670805, 1782192, 1848960, 1998720, 2004966, 2227740, 2376256, 2673288, 2970320, 2998080, 3341610, 3564384, 4009932, 4455480, 4752512, 5012415, 5346576, 5940640, 5996160, 6683220, 7128768, 8019864, 8910960, 10024830, 10693152, 11881280, 13366440, 14257536, 16039728, 17821920, 20049660, 21386304, 23762560, 26732880, 32079456, 35643840, 40099320, 42772608, 53465760, 64158912, 71287680, 80198640, 106931520, 128317824, 160397280, 213863040, 320794560, 641589120]

約数ペア:

[(1, 641589120), (2, 320794560), (3, 213863040), (4, 160397280), (5, 128317824), (6, 106931520), (8, 80198640), (9, 71287680), (10, 64158912), (12, 53465760), (15, 42772608), (16, 40099320), (18, 35643840), (20, 32079456), (24, 26732880), (27, 23762560), (30, 21386304), (32, 20049660), (36, 17821920), (40, 16039728), (45, 14257536), (48, 13366440), (54, 11881280), (60, 10693152), (64, 10024830), (72, 8910960), (80, 8019864), (90, 7128768), (96, 6683220), (107, 5996160), (108, 5940640), (120, 5346576), (128, 5012415), (135, 4752512), (144, 4455480), (160, 4009932), (180, 3564384), (192, 3341610), (214, 2998080), (216, 2970320), (240, 2673288), (270, 2376256), (288, 2227740), (320, 2004966), (321, 1998720), (347, 1848960), (360, 1782192), (384, 1670805), (428, 1499040), (432, 1485160), (480, 1336644), (535, 1199232), (540, 1188128), (576, 1113870), (640, 1002483), (642, 999360), (694, 924480), (720, 891096), (856, 749520), (864, 742580), (960, 668322), (963, 666240), (1041, 616320), (1070, 599616), (1080, 594064), (1152, 556935), (1284, 499680), (1388, 462240), (1440, 445548), (1605, 399744), (1712, 374760), (1728, 371290), (1735, 369792), (1920, 334161), (1926, 333120), (2082, 308160), (2140, 299808), (2160, 297032), (2568, 249840), (2776, 231120), (2880, 222774), (2889, 222080), (3123, 205440), (3210, 199872), (3424, 187380), (3456, 185645), (3470, 184896), (3852, 166560), (4164, 154080), (4280, 149904), (4320, 148516), (4815, 133248), (5136, 124920), (5205, 123264), (5552, 115560), (5760, 111387), (5778, 111040), (6246, 102720), (6420, 99936), (6848, 93690), (6940, 92448), (7704, 83280), (8328, 77040), (8560, 74952), (8640, 74258), (9369, 68480), (9630, 66624), (10272, 62460), (10410, 61632), (11104, 57780), (11556, 55520), (12492, 51360), (12840, 49968), (13696, 46845), (13880, 46224), (14445, 44416), (15408, 41640), (15615, 41088), (16656, 38520), (17120, 37476), (17280, 37129), (18738, 34240), (19260, 33312), (20544, 31230), (20820, 30816), (22208, 28890), (23112, 27760), (24984, 25680)]