308240640

素因数分解:

$2^8\times 3^5\times 5^1\times {\mathrm{991}}^1$

素因数の和:1027

約数の個数: 216

約数和(自身を含む): 1107095808

約数和(自身を除く): 798855168

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, 991, 1080, 1152, 1215, 1280, 1296, 1440, 1620, 1728, 1920, 1944, 1982, 2160, 2304, 2430, 2592, 2880, 2973, 3240, 3456, 3840, 3888, 3964, 4320, 4860, 4955, 5184, 5760, 5946, 6480, 6912, 7776, 7928, 8640, 8919, 9720, 9910, 10368, 11520, 11892, 12960, 14865, 15552, 15856, 17280, 17838, 19440, 19820, 20736, 23784, 25920, 26757, 29730, 31104, 31712, 34560, 35676, 38880, 39640, 44595, 47568, 51840, 53514, 59460, 62208, 63424, 71352, 77760, 79280, 80271, 89190, 95136, 103680, 107028, 118920, 126848, 133785, 142704, 155520, 158560, 160542, 178380, 190272, 214056, 237840, 240813, 253696, 267570, 285408, 311040, 317120, 321084, 356760, 380544, 401355, 428112, 475680, 481626, 535140, 570816, 634240, 642168, 713520, 761088, 802710, 856224, 951360, 963252, 1070280, 1141632, 1204065, 1268480, 1284336, 1427040, 1605420, 1712448, 1902720, 1926504, 2140560, 2283264, 2408130, 2568672, 2854080, 3210840, 3424896, 3805440, 3853008, 4281120, 4816260, 5137344, 5708160, 6421680, 6849792, 7706016, 8562240, 9632520, 10274688, 11416320, 12843360, 15412032, 17124480, 19265040, 20549376, 25686720, 30824064, 34248960, 38530080, 51373440, 61648128, 77060160, 102746880, 154120320, 308240640]

約数ペア:

[(1, 308240640), (2, 154120320), (3, 102746880), (4, 77060160), (5, 61648128), (6, 51373440), (8, 38530080), (9, 34248960), (10, 30824064), (12, 25686720), (15, 20549376), (16, 19265040), (18, 17124480), (20, 15412032), (24, 12843360), (27, 11416320), (30, 10274688), (32, 9632520), (36, 8562240), (40, 7706016), (45, 6849792), (48, 6421680), (54, 5708160), (60, 5137344), (64, 4816260), (72, 4281120), (80, 3853008), (81, 3805440), (90, 3424896), (96, 3210840), (108, 2854080), (120, 2568672), (128, 2408130), (135, 2283264), (144, 2140560), (160, 1926504), (162, 1902720), (180, 1712448), (192, 1605420), (216, 1427040), (240, 1284336), (243, 1268480), (256, 1204065), (270, 1141632), (288, 1070280), (320, 963252), (324, 951360), (360, 856224), (384, 802710), (405, 761088), (432, 713520), (480, 642168), (486, 634240), (540, 570816), (576, 535140), (640, 481626), (648, 475680), (720, 428112), (768, 401355), (810, 380544), (864, 356760), (960, 321084), (972, 317120), (991, 311040), (1080, 285408), (1152, 267570), (1215, 253696), (1280, 240813), (1296, 237840), (1440, 214056), (1620, 190272), (1728, 178380), (1920, 160542), (1944, 158560), (1982, 155520), (2160, 142704), (2304, 133785), (2430, 126848), (2592, 118920), (2880, 107028), (2973, 103680), (3240, 95136), (3456, 89190), (3840, 80271), (3888, 79280), (3964, 77760), (4320, 71352), (4860, 63424), (4955, 62208), (5184, 59460), (5760, 53514), (5946, 51840), (6480, 47568), (6912, 44595), (7776, 39640), (7928, 38880), (8640, 35676), (8919, 34560), (9720, 31712), (9910, 31104), (10368, 29730), (11520, 26757), (11892, 25920), (12960, 23784), (14865, 20736), (15552, 19820), (15856, 19440), (17280, 17838)]