320505120

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{439}}^1$

素因数の和:489

約数の個数: 288

約数和(自身を含む): 1217462400

約数和(自身を除く): 896957280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 32, 36, 39, 40, 45, 48, 52, 54, 60, 65, 72, 78, 80, 90, 96, 104, 108, 117, 120, 130, 135, 144, 156, 160, 169, 180, 195, 208, 216, 234, 240, 260, 270, 288, 312, 338, 351, 360, 390, 416, 432, 439, 468, 480, 507, 520, 540, 585, 624, 676, 702, 720, 780, 845, 864, 878, 936, 1014, 1040, 1080, 1170, 1248, 1317, 1352, 1404, 1440, 1521, 1560, 1690, 1755, 1756, 1872, 2028, 2080, 2160, 2195, 2340, 2535, 2634, 2704, 2808, 3042, 3120, 3380, 3510, 3512, 3744, 3951, 4056, 4320, 4390, 4563, 4680, 5070, 5268, 5408, 5616, 5707, 6084, 6240, 6585, 6760, 7020, 7024, 7605, 7902, 8112, 8780, 9126, 9360, 10140, 10536, 11232, 11414, 11853, 12168, 13170, 13520, 14040, 14048, 15210, 15804, 16224, 17121, 17560, 18252, 18720, 19755, 20280, 21072, 22815, 22828, 23706, 24336, 26340, 27040, 28080, 28535, 30420, 31608, 34242, 35120, 36504, 39510, 40560, 42144, 45630, 45656, 47412, 48672, 51363, 52680, 56160, 57070, 59265, 60840, 63216, 68484, 70240, 73008, 74191, 79020, 81120, 85605, 91260, 91312, 94824, 102726, 105360, 114140, 118530, 121680, 126432, 136968, 146016, 148382, 154089, 158040, 171210, 182520, 182624, 189648, 205452, 210720, 222573, 228280, 237060, 243360, 256815, 273936, 296764, 308178, 316080, 342420, 365040, 370955, 379296, 410904, 445146, 456560, 474120, 513630, 547872, 593528, 616356, 632160, 667719, 684840, 730080, 741910, 770445, 821808, 890292, 913120, 948240, 1027260, 1112865, 1187056, 1232712, 1335438, 1369680, 1483820, 1540890, 1643616, 1780584, 1896480, 2003157, 2054520, 2225730, 2374112, 2465424, 2670876, 2739360, 2967640, 3081780, 3338595, 3561168, 4006314, 4109040, 4451460, 4930848, 5341752, 5935280, 6163560, 6677190, 7122336, 8012628, 8218080, 8902920, 10015785, 10683504, 11870560, 12327120, 13354380, 16025256, 17805840, 20031570, 21367008, 24654240, 26708760, 32050512, 35611680, 40063140, 53417520, 64101024, 80126280, 106835040, 160252560, 320505120]

約数ペア:

[(1, 320505120), (2, 160252560), (3, 106835040), (4, 80126280), (5, 64101024), (6, 53417520), (8, 40063140), (9, 35611680), (10, 32050512), (12, 26708760), (13, 24654240), (15, 21367008), (16, 20031570), (18, 17805840), (20, 16025256), (24, 13354380), (26, 12327120), (27, 11870560), (30, 10683504), (32, 10015785), (36, 8902920), (39, 8218080), (40, 8012628), (45, 7122336), (48, 6677190), (52, 6163560), (54, 5935280), (60, 5341752), (65, 4930848), (72, 4451460), (78, 4109040), (80, 4006314), (90, 3561168), (96, 3338595), (104, 3081780), (108, 2967640), (117, 2739360), (120, 2670876), (130, 2465424), (135, 2374112), (144, 2225730), (156, 2054520), (160, 2003157), (169, 1896480), (180, 1780584), (195, 1643616), (208, 1540890), (216, 1483820), (234, 1369680), (240, 1335438), (260, 1232712), (270, 1187056), (288, 1112865), (312, 1027260), (338, 948240), (351, 913120), (360, 890292), (390, 821808), (416, 770445), (432, 741910), (439, 730080), (468, 684840), (480, 667719), (507, 632160), (520, 616356), (540, 593528), (585, 547872), (624, 513630), (676, 474120), (702, 456560), (720, 445146), (780, 410904), (845, 379296), (864, 370955), (878, 365040), (936, 342420), (1014, 316080), (1040, 308178), (1080, 296764), (1170, 273936), (1248, 256815), (1317, 243360), (1352, 237060), (1404, 228280), (1440, 222573), (1521, 210720), (1560, 205452), (1690, 189648), (1755, 182624), (1756, 182520), (1872, 171210), (2028, 158040), (2080, 154089), (2160, 148382), (2195, 146016), (2340, 136968), (2535, 126432), (2634, 121680), (2704, 118530), (2808, 114140), (3042, 105360), (3120, 102726), (3380, 94824), (3510, 91312), (3512, 91260), (3744, 85605), (3951, 81120), (4056, 79020), (4320, 74191), (4390, 73008), (4563, 70240), (4680, 68484), (5070, 63216), (5268, 60840), (5408, 59265), (5616, 57070), (5707, 56160), (6084, 52680), (6240, 51363), (6585, 48672), (6760, 47412), (7020, 45656), (7024, 45630), (7605, 42144), (7902, 40560), (8112, 39510), (8780, 36504), (9126, 35120), (9360, 34242), (10140, 31608), (10536, 30420), (11232, 28535), (11414, 28080), (11853, 27040), (12168, 26340), (13170, 24336), (13520, 23706), (14040, 22828), (14048, 22815), (15210, 21072), (15804, 20280), (16224, 19755), (17121, 18720), (17560, 18252)]