320177520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{433}}^1$

素因数の和:544

約数の個数: 240

約数和(自身を含む): 1175341440

約数和(自身を除く): 855163920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 79, 80, 90, 104, 117, 120, 130, 144, 156, 158, 180, 195, 208, 234, 237, 240, 260, 312, 316, 360, 390, 395, 433, 468, 474, 520, 585, 624, 632, 711, 720, 780, 790, 866, 936, 948, 1027, 1040, 1170, 1185, 1264, 1299, 1422, 1560, 1580, 1732, 1872, 1896, 2054, 2165, 2340, 2370, 2598, 2844, 3081, 3120, 3160, 3464, 3555, 3792, 3897, 4108, 4330, 4680, 4740, 5135, 5196, 5629, 5688, 6162, 6320, 6495, 6928, 7110, 7794, 8216, 8660, 9243, 9360, 9480, 10270, 10392, 11258, 11376, 12324, 12990, 14220, 15405, 15588, 16432, 16887, 17320, 18486, 18960, 19485, 20540, 20784, 22516, 24648, 25980, 28145, 28440, 30810, 31176, 33774, 34207, 34640, 36972, 38970, 41080, 45032, 46215, 49296, 50661, 51960, 56290, 56880, 61620, 62352, 67548, 68414, 73944, 77940, 82160, 84435, 90064, 92430, 101322, 102621, 103920, 112580, 123240, 135096, 136828, 147888, 155880, 168870, 171035, 184860, 202644, 205242, 225160, 246480, 253305, 270192, 273656, 307863, 311760, 337740, 342070, 369720, 405288, 410484, 444691, 450320, 506610, 513105, 547312, 615726, 675480, 684140, 739440, 810576, 820968, 889382, 1013220, 1026210, 1231452, 1334073, 1350960, 1368280, 1539315, 1641936, 1778764, 2026440, 2052420, 2223455, 2462904, 2668146, 2736560, 3078630, 3557528, 4002219, 4052880, 4104840, 4446910, 4925808, 5336292, 6157260, 6670365, 7115056, 8004438, 8209680, 8893820, 10672584, 12314520, 13340730, 16008876, 17787640, 20011095, 21345168, 24629040, 26681460, 32017752, 35575280, 40022190, 53362920, 64035504, 80044380, 106725840, 160088760, 320177520]

約数ペア:

[(1, 320177520), (2, 160088760), (3, 106725840), (4, 80044380), (5, 64035504), (6, 53362920), (8, 40022190), (9, 35575280), (10, 32017752), (12, 26681460), (13, 24629040), (15, 21345168), (16, 20011095), (18, 17787640), (20, 16008876), (24, 13340730), (26, 12314520), (30, 10672584), (36, 8893820), (39, 8209680), (40, 8004438), (45, 7115056), (48, 6670365), (52, 6157260), (60, 5336292), (65, 4925808), (72, 4446910), (78, 4104840), (79, 4052880), (80, 4002219), (90, 3557528), (104, 3078630), (117, 2736560), (120, 2668146), (130, 2462904), (144, 2223455), (156, 2052420), (158, 2026440), (180, 1778764), (195, 1641936), (208, 1539315), (234, 1368280), (237, 1350960), (240, 1334073), (260, 1231452), (312, 1026210), (316, 1013220), (360, 889382), (390, 820968), (395, 810576), (433, 739440), (468, 684140), (474, 675480), (520, 615726), (585, 547312), (624, 513105), (632, 506610), (711, 450320), (720, 444691), (780, 410484), (790, 405288), (866, 369720), (936, 342070), (948, 337740), (1027, 311760), (1040, 307863), (1170, 273656), (1185, 270192), (1264, 253305), (1299, 246480), (1422, 225160), (1560, 205242), (1580, 202644), (1732, 184860), (1872, 171035), (1896, 168870), (2054, 155880), (2165, 147888), (2340, 136828), (2370, 135096), (2598, 123240), (2844, 112580), (3081, 103920), (3120, 102621), (3160, 101322), (3464, 92430), (3555, 90064), (3792, 84435), (3897, 82160), (4108, 77940), (4330, 73944), (4680, 68414), (4740, 67548), (5135, 62352), (5196, 61620), (5629, 56880), (5688, 56290), (6162, 51960), (6320, 50661), (6495, 49296), (6928, 46215), (7110, 45032), (7794, 41080), (8216, 38970), (8660, 36972), (9243, 34640), (9360, 34207), (9480, 33774), (10270, 31176), (10392, 30810), (11258, 28440), (11376, 28145), (12324, 25980), (12990, 24648), (14220, 22516), (15405, 20784), (15588, 20540), (16432, 19485), (16887, 18960), (17320, 18486)]