320748480

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{659}}^1$

素因数の和:708

約数の個数: 252

約数和(自身を含む): 1196446680

約数和(自身を除く): 875698200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 64, 65, 72, 78, 80, 90, 96, 104, 117, 120, 130, 144, 156, 160, 169, 180, 192, 195, 208, 234, 240, 260, 288, 312, 320, 338, 360, 390, 416, 468, 480, 507, 520, 576, 585, 624, 659, 676, 720, 780, 832, 845, 936, 960, 1014, 1040, 1170, 1248, 1318, 1352, 1440, 1521, 1560, 1690, 1872, 1977, 2028, 2080, 2340, 2496, 2535, 2636, 2704, 2880, 3042, 3120, 3295, 3380, 3744, 3954, 4056, 4160, 4680, 5070, 5272, 5408, 5931, 6084, 6240, 6590, 6760, 7488, 7605, 7908, 8112, 8567, 9360, 9885, 10140, 10544, 10816, 11862, 12168, 12480, 13180, 13520, 15210, 15816, 16224, 17134, 18720, 19770, 20280, 21088, 23724, 24336, 25701, 26360, 27040, 29655, 30420, 31632, 32448, 34268, 37440, 39540, 40560, 42176, 42835, 47448, 48672, 51402, 52720, 54080, 59310, 60840, 63264, 68536, 77103, 79080, 81120, 85670, 94896, 97344, 102804, 105440, 111371, 118620, 121680, 126528, 128505, 137072, 154206, 158160, 162240, 171340, 189792, 205608, 210880, 222742, 237240, 243360, 257010, 274144, 308412, 316320, 334113, 342680, 379584, 385515, 411216, 445484, 474480, 486720, 514020, 548288, 556855, 616824, 632640, 668226, 685360, 771030, 822432, 890968, 948960, 1002339, 1028040, 1113710, 1233648, 1336452, 1370720, 1542060, 1644864, 1670565, 1781936, 1897920, 2004678, 2056080, 2227420, 2467296, 2672904, 2741440, 3084120, 3341130, 3563872, 4009356, 4112160, 4454840, 4934592, 5011695, 5345808, 6168240, 6682260, 7127744, 8018712, 8224320, 8909680, 10023390, 10691616, 12336480, 13364520, 16037424, 17819360, 20046780, 21383232, 24672960, 26729040, 32074848, 35638720, 40093560, 53458080, 64149696, 80187120, 106916160, 160374240, 320748480]

約数ペア:

[(1, 320748480), (2, 160374240), (3, 106916160), (4, 80187120), (5, 64149696), (6, 53458080), (8, 40093560), (9, 35638720), (10, 32074848), (12, 26729040), (13, 24672960), (15, 21383232), (16, 20046780), (18, 17819360), (20, 16037424), (24, 13364520), (26, 12336480), (30, 10691616), (32, 10023390), (36, 8909680), (39, 8224320), (40, 8018712), (45, 7127744), (48, 6682260), (52, 6168240), (60, 5345808), (64, 5011695), (65, 4934592), (72, 4454840), (78, 4112160), (80, 4009356), (90, 3563872), (96, 3341130), (104, 3084120), (117, 2741440), (120, 2672904), (130, 2467296), (144, 2227420), (156, 2056080), (160, 2004678), (169, 1897920), (180, 1781936), (192, 1670565), (195, 1644864), (208, 1542060), (234, 1370720), (240, 1336452), (260, 1233648), (288, 1113710), (312, 1028040), (320, 1002339), (338, 948960), (360, 890968), (390, 822432), (416, 771030), (468, 685360), (480, 668226), (507, 632640), (520, 616824), (576, 556855), (585, 548288), (624, 514020), (659, 486720), (676, 474480), (720, 445484), (780, 411216), (832, 385515), (845, 379584), (936, 342680), (960, 334113), (1014, 316320), (1040, 308412), (1170, 274144), (1248, 257010), (1318, 243360), (1352, 237240), (1440, 222742), (1521, 210880), (1560, 205608), (1690, 189792), (1872, 171340), (1977, 162240), (2028, 158160), (2080, 154206), (2340, 137072), (2496, 128505), (2535, 126528), (2636, 121680), (2704, 118620), (2880, 111371), (3042, 105440), (3120, 102804), (3295, 97344), (3380, 94896), (3744, 85670), (3954, 81120), (4056, 79080), (4160, 77103), (4680, 68536), (5070, 63264), (5272, 60840), (5408, 59310), (5931, 54080), (6084, 52720), (6240, 51402), (6590, 48672), (6760, 47448), (7488, 42835), (7605, 42176), (7908, 40560), (8112, 39540), (8567, 37440), (9360, 34268), (9885, 32448), (10140, 31632), (10544, 30420), (10816, 29655), (11862, 27040), (12168, 26360), (12480, 25701), (13180, 24336), (13520, 23724), (15210, 21088), (15816, 20280), (16224, 19770), (17134, 18720)]