78193920

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{2909}}^1$

素因数の和:2940

約数の個数: 144

約数和(自身を含む): 285505920

約数和(自身を除く): 207312000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 256, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 768, 840, 896, 960, 1120, 1280, 1344, 1680, 1792, 1920, 2240, 2688, 2909, 3360, 3840, 4480, 5376, 5818, 6720, 8727, 8960, 11636, 13440, 14545, 17454, 20363, 23272, 26880, 29090, 34908, 40726, 43635, 46544, 58180, 61089, 69816, 81452, 87270, 93088, 101815, 116360, 122178, 139632, 162904, 174540, 186176, 203630, 232720, 244356, 279264, 305445, 325808, 349080, 372352, 407260, 465440, 488712, 558528, 610890, 651616, 698160, 744704, 814520, 930880, 977424, 1117056, 1221780, 1303232, 1396320, 1629040, 1861760, 1954848, 2234112, 2443560, 2606464, 2792640, 3258080, 3723520, 3909696, 4887120, 5212928, 5585280, 6516160, 7819392, 9774240, 11170560, 13032320, 15638784, 19548480, 26064640, 39096960, 78193920]

約数ペア:

[(1, 78193920), (2, 39096960), (3, 26064640), (4, 19548480), (5, 15638784), (6, 13032320), (7, 11170560), (8, 9774240), (10, 7819392), (12, 6516160), (14, 5585280), (15, 5212928), (16, 4887120), (20, 3909696), (21, 3723520), (24, 3258080), (28, 2792640), (30, 2606464), (32, 2443560), (35, 2234112), (40, 1954848), (42, 1861760), (48, 1629040), (56, 1396320), (60, 1303232), (64, 1221780), (70, 1117056), (80, 977424), (84, 930880), (96, 814520), (105, 744704), (112, 698160), (120, 651616), (128, 610890), (140, 558528), (160, 488712), (168, 465440), (192, 407260), (210, 372352), (224, 349080), (240, 325808), (256, 305445), (280, 279264), (320, 244356), (336, 232720), (384, 203630), (420, 186176), (448, 174540), (480, 162904), (560, 139632), (640, 122178), (672, 116360), (768, 101815), (840, 93088), (896, 87270), (960, 81452), (1120, 69816), (1280, 61089), (1344, 58180), (1680, 46544), (1792, 43635), (1920, 40726), (2240, 34908), (2688, 29090), (2909, 26880), (3360, 23272), (3840, 20363), (4480, 17454), (5376, 14545), (5818, 13440), (6720, 11636), (8727, 8960)]