280070640

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{347}}^1$

素因数の和:444

約数の個数: 240

約数和(自身を含む): 1009756800

約数和(自身を除く): 729686160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 36, 38, 40, 45, 48, 57, 59, 60, 72, 76, 80, 90, 95, 114, 118, 120, 144, 152, 171, 177, 180, 190, 228, 236, 240, 285, 295, 304, 342, 347, 354, 360, 380, 456, 472, 531, 570, 590, 684, 694, 708, 720, 760, 855, 885, 912, 944, 1041, 1062, 1121, 1140, 1180, 1368, 1388, 1416, 1520, 1710, 1735, 1770, 2082, 2124, 2242, 2280, 2360, 2655, 2736, 2776, 2832, 3123, 3363, 3420, 3470, 3540, 4164, 4248, 4484, 4560, 4720, 5205, 5310, 5552, 5605, 6246, 6593, 6726, 6840, 6940, 7080, 8328, 8496, 8968, 10089, 10410, 10620, 11210, 12492, 13186, 13452, 13680, 13880, 14160, 15615, 16656, 16815, 17936, 19779, 20178, 20473, 20820, 21240, 22420, 24984, 26372, 26904, 27760, 31230, 32965, 33630, 39558, 40356, 40946, 41640, 42480, 44840, 49968, 50445, 52744, 53808, 59337, 61419, 62460, 65930, 67260, 79116, 80712, 81892, 83280, 89680, 98895, 100890, 102365, 105488, 118674, 122838, 124920, 131860, 134520, 158232, 161424, 163784, 184257, 197790, 201780, 204730, 237348, 245676, 249840, 263720, 269040, 296685, 307095, 316464, 327568, 368514, 388987, 395580, 403560, 409460, 474696, 491352, 527440, 593370, 614190, 737028, 777974, 791160, 807120, 818920, 921285, 949392, 982704, 1166961, 1186740, 1228380, 1474056, 1555948, 1582320, 1637840, 1842570, 1944935, 2333922, 2373480, 2456760, 2948112, 3111896, 3500883, 3685140, 3889870, 4667844, 4746960, 4913520, 5834805, 6223792, 7001766, 7370280, 7779740, 9335688, 11669610, 14003532, 14740560, 15559480, 17504415, 18671376, 23339220, 28007064, 31118960, 35008830, 46678440, 56014128, 70017660, 93356880, 140035320, 280070640]

約数ペア:

[(1, 280070640), (2, 140035320), (3, 93356880), (4, 70017660), (5, 56014128), (6, 46678440), (8, 35008830), (9, 31118960), (10, 28007064), (12, 23339220), (15, 18671376), (16, 17504415), (18, 15559480), (19, 14740560), (20, 14003532), (24, 11669610), (30, 9335688), (36, 7779740), (38, 7370280), (40, 7001766), (45, 6223792), (48, 5834805), (57, 4913520), (59, 4746960), (60, 4667844), (72, 3889870), (76, 3685140), (80, 3500883), (90, 3111896), (95, 2948112), (114, 2456760), (118, 2373480), (120, 2333922), (144, 1944935), (152, 1842570), (171, 1637840), (177, 1582320), (180, 1555948), (190, 1474056), (228, 1228380), (236, 1186740), (240, 1166961), (285, 982704), (295, 949392), (304, 921285), (342, 818920), (347, 807120), (354, 791160), (360, 777974), (380, 737028), (456, 614190), (472, 593370), (531, 527440), (570, 491352), (590, 474696), (684, 409460), (694, 403560), (708, 395580), (720, 388987), (760, 368514), (855, 327568), (885, 316464), (912, 307095), (944, 296685), (1041, 269040), (1062, 263720), (1121, 249840), (1140, 245676), (1180, 237348), (1368, 204730), (1388, 201780), (1416, 197790), (1520, 184257), (1710, 163784), (1735, 161424), (1770, 158232), (2082, 134520), (2124, 131860), (2242, 124920), (2280, 122838), (2360, 118674), (2655, 105488), (2736, 102365), (2776, 100890), (2832, 98895), (3123, 89680), (3363, 83280), (3420, 81892), (3470, 80712), (3540, 79116), (4164, 67260), (4248, 65930), (4484, 62460), (4560, 61419), (4720, 59337), (5205, 53808), (5310, 52744), (5552, 50445), (5605, 49968), (6246, 44840), (6593, 42480), (6726, 41640), (6840, 40946), (6940, 40356), (7080, 39558), (8328, 33630), (8496, 32965), (8968, 31230), (10089, 27760), (10410, 26904), (10620, 26372), (11210, 24984), (12492, 22420), (13186, 21240), (13452, 20820), (13680, 20473), (13880, 20178), (14160, 19779), (15615, 17936), (16656, 16815)]