316725760

素因数分解:

$2^9\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{307}}^1$

素因数の和:374

約数の個数: 160

約数和(自身を含む): 846945792

約数和(自身を除く): 530220032

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 128, 130, 155, 160, 208, 248, 256, 260, 307, 310, 320, 403, 416, 496, 512, 520, 614, 620, 640, 806, 832, 992, 1040, 1228, 1240, 1280, 1535, 1612, 1664, 1984, 2015, 2080, 2456, 2480, 2560, 3070, 3224, 3328, 3968, 3991, 4030, 4160, 4912, 4960, 6140, 6448, 6656, 7936, 7982, 8060, 8320, 9517, 9824, 9920, 12280, 12896, 15872, 15964, 16120, 16640, 19034, 19648, 19840, 19955, 24560, 25792, 31928, 32240, 33280, 38068, 39296, 39680, 39910, 47585, 49120, 51584, 63856, 64480, 76136, 78592, 79360, 79820, 95170, 98240, 103168, 123721, 127712, 128960, 152272, 157184, 159640, 190340, 196480, 206336, 247442, 255424, 257920, 304544, 319280, 380680, 392960, 494884, 510848, 515840, 609088, 618605, 638560, 761360, 785920, 989768, 1021696, 1031680, 1218176, 1237210, 1277120, 1522720, 1979536, 2043392, 2436352, 2474420, 2554240, 3045440, 3959072, 4872704, 4948840, 5108480, 6090880, 7918144, 9897680, 10216960, 12181760, 15836288, 19795360, 24363520, 31672576, 39590720, 63345152, 79181440, 158362880, 316725760]

約数ペア:

[(1, 316725760), (2, 158362880), (4, 79181440), (5, 63345152), (8, 39590720), (10, 31672576), (13, 24363520), (16, 19795360), (20, 15836288), (26, 12181760), (31, 10216960), (32, 9897680), (40, 7918144), (52, 6090880), (62, 5108480), (64, 4948840), (65, 4872704), (80, 3959072), (104, 3045440), (124, 2554240), (128, 2474420), (130, 2436352), (155, 2043392), (160, 1979536), (208, 1522720), (248, 1277120), (256, 1237210), (260, 1218176), (307, 1031680), (310, 1021696), (320, 989768), (403, 785920), (416, 761360), (496, 638560), (512, 618605), (520, 609088), (614, 515840), (620, 510848), (640, 494884), (806, 392960), (832, 380680), (992, 319280), (1040, 304544), (1228, 257920), (1240, 255424), (1280, 247442), (1535, 206336), (1612, 196480), (1664, 190340), (1984, 159640), (2015, 157184), (2080, 152272), (2456, 128960), (2480, 127712), (2560, 123721), (3070, 103168), (3224, 98240), (3328, 95170), (3968, 79820), (3991, 79360), (4030, 78592), (4160, 76136), (4912, 64480), (4960, 63856), (6140, 51584), (6448, 49120), (6656, 47585), (7936, 39910), (7982, 39680), (8060, 39296), (8320, 38068), (9517, 33280), (9824, 32240), (9920, 31928), (12280, 25792), (12896, 24560), (15872, 19955), (15964, 19840), (16120, 19648), (16640, 19034)]