331506560

素因数分解:

$2^7\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^2$

素因数の和:106

約数の個数: 288

約数和(自身を含む): 1039194360

約数和(自身を除く): 707687800

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 31, 32, 35, 40, 44, 49, 55, 56, 62, 64, 70, 77, 80, 88, 98, 110, 112, 124, 128, 140, 154, 155, 160, 176, 196, 217, 220, 224, 245, 248, 280, 308, 310, 320, 341, 352, 385, 392, 434, 440, 448, 490, 496, 539, 560, 616, 620, 640, 682, 704, 770, 784, 868, 880, 896, 961, 980, 992, 1078, 1085, 1120, 1232, 1240, 1364, 1408, 1519, 1540, 1568, 1705, 1736, 1760, 1922, 1960, 1984, 2156, 2170, 2240, 2387, 2464, 2480, 2695, 2728, 3038, 3080, 3136, 3410, 3472, 3520, 3844, 3920, 3968, 4312, 4340, 4480, 4774, 4805, 4928, 4960, 5390, 5456, 6076, 6160, 6272, 6727, 6820, 6944, 7040, 7595, 7688, 7840, 8624, 8680, 9548, 9610, 9856, 9920, 10571, 10780, 10912, 11935, 12152, 12320, 13454, 13640, 13888, 15190, 15376, 15680, 16709, 17248, 17360, 19096, 19220, 19840, 21142, 21560, 21824, 23870, 24304, 24640, 26908, 27280, 27776, 30380, 30752, 31360, 33418, 33635, 34496, 34720, 38192, 38440, 42284, 43120, 43648, 47089, 47740, 48608, 49280, 52855, 53816, 54560, 60760, 61504, 66836, 67270, 68992, 69440, 73997, 76384, 76880, 83545, 84568, 86240, 94178, 95480, 97216, 105710, 107632, 109120, 121520, 123008, 133672, 134540, 138880, 147994, 152768, 153760, 167090, 169136, 172480, 188356, 190960, 194432, 211420, 215264, 218240, 235445, 243040, 267344, 269080, 295988, 305536, 307520, 334180, 338272, 344960, 369985, 376712, 381920, 422840, 430528, 470890, 486080, 517979, 534688, 538160, 591976, 615040, 668360, 676544, 739970, 753424, 763840, 845680, 861056, 941780, 972160, 1035958, 1069376, 1076320, 1183952, 1336720, 1353088, 1479940, 1506848, 1527680, 1691360, 1883560, 2071916, 2138752, 2152640, 2367904, 2589895, 2673440, 2959880, 3013696, 3382720, 3767120, 4143832, 4305280, 4735808, 5179790, 5346880, 5919760, 6027392, 6765440, 7534240, 8287664, 9471616, 10359580, 10693760, 11839520, 15068480, 16575328, 20719160, 23679040, 30136960, 33150656, 41438320, 47358080, 66301312, 82876640, 165753280, 331506560]

約数ペア:

[(1, 331506560), (2, 165753280), (4, 82876640), (5, 66301312), (7, 47358080), (8, 41438320), (10, 33150656), (11, 30136960), (14, 23679040), (16, 20719160), (20, 16575328), (22, 15068480), (28, 11839520), (31, 10693760), (32, 10359580), (35, 9471616), (40, 8287664), (44, 7534240), (49, 6765440), (55, 6027392), (56, 5919760), (62, 5346880), (64, 5179790), (70, 4735808), (77, 4305280), (80, 4143832), (88, 3767120), (98, 3382720), (110, 3013696), (112, 2959880), (124, 2673440), (128, 2589895), (140, 2367904), (154, 2152640), (155, 2138752), (160, 2071916), (176, 1883560), (196, 1691360), (217, 1527680), (220, 1506848), (224, 1479940), (245, 1353088), (248, 1336720), (280, 1183952), (308, 1076320), (310, 1069376), (320, 1035958), (341, 972160), (352, 941780), (385, 861056), (392, 845680), (434, 763840), (440, 753424), (448, 739970), (490, 676544), (496, 668360), (539, 615040), (560, 591976), (616, 538160), (620, 534688), (640, 517979), (682, 486080), (704, 470890), (770, 430528), (784, 422840), (868, 381920), (880, 376712), (896, 369985), (961, 344960), (980, 338272), (992, 334180), (1078, 307520), (1085, 305536), (1120, 295988), (1232, 269080), (1240, 267344), (1364, 243040), (1408, 235445), (1519, 218240), (1540, 215264), (1568, 211420), (1705, 194432), (1736, 190960), (1760, 188356), (1922, 172480), (1960, 169136), (1984, 167090), (2156, 153760), (2170, 152768), (2240, 147994), (2387, 138880), (2464, 134540), (2480, 133672), (2695, 123008), (2728, 121520), (3038, 109120), (3080, 107632), (3136, 105710), (3410, 97216), (3472, 95480), (3520, 94178), (3844, 86240), (3920, 84568), (3968, 83545), (4312, 76880), (4340, 76384), (4480, 73997), (4774, 69440), (4805, 68992), (4928, 67270), (4960, 66836), (5390, 61504), (5456, 60760), (6076, 54560), (6160, 53816), (6272, 52855), (6727, 49280), (6820, 48608), (6944, 47740), (7040, 47089), (7595, 43648), (7688, 43120), (7840, 42284), (8624, 38440), (8680, 38192), (9548, 34720), (9610, 34496), (9856, 33635), (9920, 33418), (10571, 31360), (10780, 30752), (10912, 30380), (11935, 27776), (12152, 27280), (12320, 26908), (13454, 24640), (13640, 24304), (13888, 23870), (15190, 21824), (15376, 21560), (15680, 21142), (16709, 19840), (17248, 19220), (17360, 19096)]