287671320

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{173}}^1$

素因数の和:370

約数の個数: 192

約数和(自身を含む): 977184000

約数和(自身を除く): 689512680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 31, 36, 40, 45, 60, 62, 72, 90, 93, 120, 124, 149, 155, 173, 180, 186, 248, 279, 298, 310, 346, 360, 372, 447, 465, 519, 558, 596, 620, 692, 744, 745, 865, 894, 930, 1038, 1116, 1192, 1240, 1341, 1384, 1395, 1490, 1557, 1730, 1788, 1860, 2076, 2232, 2235, 2595, 2682, 2790, 2980, 3114, 3460, 3576, 3720, 4152, 4470, 4619, 5190, 5363, 5364, 5580, 5960, 6228, 6705, 6920, 7785, 8940, 9238, 10380, 10726, 10728, 11160, 12456, 13410, 13857, 15570, 16089, 17880, 18476, 20760, 21452, 23095, 25777, 26815, 26820, 27714, 31140, 32178, 36952, 41571, 42904, 46190, 48267, 51554, 53630, 53640, 55428, 62280, 64356, 69285, 77331, 80445, 83142, 92380, 96534, 103108, 107260, 110856, 128712, 128885, 138570, 154662, 160890, 166284, 184760, 193068, 206216, 207855, 214520, 231993, 241335, 257770, 277140, 309324, 321780, 332568, 386136, 386655, 415710, 463986, 482670, 515540, 554280, 618648, 643560, 773310, 799087, 831420, 927972, 965340, 1031080, 1159965, 1546620, 1598174, 1662840, 1855944, 1930680, 2319930, 2397261, 3093240, 3196348, 3995435, 4639860, 4794522, 6392696, 7191783, 7990870, 9279720, 9589044, 11986305, 14383566, 15981740, 19178088, 23972610, 28767132, 31963480, 35958915, 47945220, 57534264, 71917830, 95890440, 143835660, 287671320]

約数ペア:

[(1, 287671320), (2, 143835660), (3, 95890440), (4, 71917830), (5, 57534264), (6, 47945220), (8, 35958915), (9, 31963480), (10, 28767132), (12, 23972610), (15, 19178088), (18, 15981740), (20, 14383566), (24, 11986305), (30, 9589044), (31, 9279720), (36, 7990870), (40, 7191783), (45, 6392696), (60, 4794522), (62, 4639860), (72, 3995435), (90, 3196348), (93, 3093240), (120, 2397261), (124, 2319930), (149, 1930680), (155, 1855944), (173, 1662840), (180, 1598174), (186, 1546620), (248, 1159965), (279, 1031080), (298, 965340), (310, 927972), (346, 831420), (360, 799087), (372, 773310), (447, 643560), (465, 618648), (519, 554280), (558, 515540), (596, 482670), (620, 463986), (692, 415710), (744, 386655), (745, 386136), (865, 332568), (894, 321780), (930, 309324), (1038, 277140), (1116, 257770), (1192, 241335), (1240, 231993), (1341, 214520), (1384, 207855), (1395, 206216), (1490, 193068), (1557, 184760), (1730, 166284), (1788, 160890), (1860, 154662), (2076, 138570), (2232, 128885), (2235, 128712), (2595, 110856), (2682, 107260), (2790, 103108), (2980, 96534), (3114, 92380), (3460, 83142), (3576, 80445), (3720, 77331), (4152, 69285), (4470, 64356), (4619, 62280), (5190, 55428), (5363, 53640), (5364, 53630), (5580, 51554), (5960, 48267), (6228, 46190), (6705, 42904), (6920, 41571), (7785, 36952), (8940, 32178), (9238, 31140), (10380, 27714), (10726, 26820), (10728, 26815), (11160, 25777), (12456, 23095), (13410, 21452), (13857, 20760), (15570, 18476), (16089, 17880)]