78156960

素因数分解:

$2^5\times 3^1\times 5^1\times 7^2\times {\mathrm{3323}}^1$

素因数の和:3355

約数の個数: 144

約数和(自身を含む): 286475616

約数和(自身を除く): 208318656

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, 49, 56, 60, 70, 80, 84, 96, 98, 105, 112, 120, 140, 147, 160, 168, 196, 210, 224, 240, 245, 280, 294, 336, 392, 420, 480, 490, 560, 588, 672, 735, 784, 840, 980, 1120, 1176, 1470, 1568, 1680, 1960, 2352, 2940, 3323, 3360, 3920, 4704, 5880, 6646, 7840, 9969, 11760, 13292, 16615, 19938, 23261, 23520, 26584, 33230, 39876, 46522, 49845, 53168, 66460, 69783, 79752, 93044, 99690, 106336, 116305, 132920, 139566, 159504, 162827, 186088, 199380, 232610, 265840, 279132, 319008, 325654, 348915, 372176, 398760, 465220, 488481, 531680, 558264, 651308, 697830, 744352, 797520, 814135, 930440, 976962, 1116528, 1302616, 1395660, 1595040, 1628270, 1860880, 1953924, 2233056, 2442405, 2605232, 2791320, 3256540, 3721760, 3907848, 4884810, 5210464, 5582640, 6513080, 7815696, 9769620, 11165280, 13026160, 15631392, 19539240, 26052320, 39078480, 78156960]

約数ペア:

[(1, 78156960), (2, 39078480), (3, 26052320), (4, 19539240), (5, 15631392), (6, 13026160), (7, 11165280), (8, 9769620), (10, 7815696), (12, 6513080), (14, 5582640), (15, 5210464), (16, 4884810), (20, 3907848), (21, 3721760), (24, 3256540), (28, 2791320), (30, 2605232), (32, 2442405), (35, 2233056), (40, 1953924), (42, 1860880), (48, 1628270), (49, 1595040), (56, 1395660), (60, 1302616), (70, 1116528), (80, 976962), (84, 930440), (96, 814135), (98, 797520), (105, 744352), (112, 697830), (120, 651308), (140, 558264), (147, 531680), (160, 488481), (168, 465220), (196, 398760), (210, 372176), (224, 348915), (240, 325654), (245, 319008), (280, 279132), (294, 265840), (336, 232610), (392, 199380), (420, 186088), (480, 162827), (490, 159504), (560, 139566), (588, 132920), (672, 116305), (735, 106336), (784, 99690), (840, 93044), (980, 79752), (1120, 69783), (1176, 66460), (1470, 53168), (1568, 49845), (1680, 46522), (1960, 39876), (2352, 33230), (2940, 26584), (3323, 23520), (3360, 23261), (3920, 19938), (4704, 16615), (5880, 13292), (6646, 11760), (7840, 9969)]