391278720

素因数分解:

$2^7\times 3^1\times 5^1\times 7^2\times {\mathrm{4159}}^1$

素因数の和:4195

約数の個数: 192

約数和(自身を含む): 1451174400

約数和(自身を除く): 1059895680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 64, 70, 80, 84, 96, 98, 105, 112, 120, 128, 140, 147, 160, 168, 192, 196, 210, 224, 240, 245, 280, 294, 320, 336, 384, 392, 420, 448, 480, 490, 560, 588, 640, 672, 735, 784, 840, 896, 960, 980, 1120, 1176, 1344, 1470, 1568, 1680, 1920, 1960, 2240, 2352, 2688, 2940, 3136, 3360, 3920, 4159, 4480, 4704, 5880, 6272, 6720, 7840, 8318, 9408, 11760, 12477, 13440, 15680, 16636, 18816, 20795, 23520, 24954, 29113, 31360, 33272, 41590, 47040, 49908, 58226, 62385, 66544, 83180, 87339, 94080, 99816, 116452, 124770, 133088, 145565, 166360, 174678, 199632, 203791, 232904, 249540, 266176, 291130, 332720, 349356, 399264, 407582, 436695, 465808, 499080, 532352, 582260, 611373, 665440, 698712, 798528, 815164, 873390, 931616, 998160, 1018955, 1164520, 1222746, 1330880, 1397424, 1597056, 1630328, 1746780, 1863232, 1996320, 2037910, 2329040, 2445492, 2661760, 2794848, 3056865, 3260656, 3493560, 3726464, 3992640, 4075820, 4658080, 4890984, 5589696, 6113730, 6521312, 6987120, 7985280, 8151640, 9316160, 9781968, 11179392, 12227460, 13042624, 13974240, 16303280, 18632320, 19563936, 24454920, 26085248, 27948480, 32606560, 39127872, 48909840, 55896960, 65213120, 78255744, 97819680, 130426240, 195639360, 391278720]

約数ペア:

[(1, 391278720), (2, 195639360), (3, 130426240), (4, 97819680), (5, 78255744), (6, 65213120), (7, 55896960), (8, 48909840), (10, 39127872), (12, 32606560), (14, 27948480), (15, 26085248), (16, 24454920), (20, 19563936), (21, 18632320), (24, 16303280), (28, 13974240), (30, 13042624), (32, 12227460), (35, 11179392), (40, 9781968), (42, 9316160), (48, 8151640), (49, 7985280), (56, 6987120), (60, 6521312), (64, 6113730), (70, 5589696), (80, 4890984), (84, 4658080), (96, 4075820), (98, 3992640), (105, 3726464), (112, 3493560), (120, 3260656), (128, 3056865), (140, 2794848), (147, 2661760), (160, 2445492), (168, 2329040), (192, 2037910), (196, 1996320), (210, 1863232), (224, 1746780), (240, 1630328), (245, 1597056), (280, 1397424), (294, 1330880), (320, 1222746), (336, 1164520), (384, 1018955), (392, 998160), (420, 931616), (448, 873390), (480, 815164), (490, 798528), (560, 698712), (588, 665440), (640, 611373), (672, 582260), (735, 532352), (784, 499080), (840, 465808), (896, 436695), (960, 407582), (980, 399264), (1120, 349356), (1176, 332720), (1344, 291130), (1470, 266176), (1568, 249540), (1680, 232904), (1920, 203791), (1960, 199632), (2240, 174678), (2352, 166360), (2688, 145565), (2940, 133088), (3136, 124770), (3360, 116452), (3920, 99816), (4159, 94080), (4480, 87339), (4704, 83180), (5880, 66544), (6272, 62385), (6720, 58226), (7840, 49908), (8318, 47040), (9408, 41590), (11760, 33272), (12477, 31360), (13440, 29113), (15680, 24954), (16636, 23520), (18816, 20795)]