78877760

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{283}}^1$

素因数の和:380

約数の個数: 112

約数和(自身を含む): 206020416

約数和(自身を除く): 127142656

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 67, 80, 104, 130, 134, 160, 208, 260, 268, 283, 320, 335, 416, 520, 536, 566, 670, 832, 871, 1040, 1072, 1132, 1340, 1415, 1742, 2080, 2144, 2264, 2680, 2830, 3484, 3679, 4160, 4288, 4355, 4528, 5360, 5660, 6968, 7358, 8710, 9056, 10720, 11320, 13936, 14716, 17420, 18112, 18395, 18961, 21440, 22640, 27872, 29432, 34840, 36790, 37922, 45280, 55744, 58864, 69680, 73580, 75844, 90560, 94805, 117728, 139360, 147160, 151688, 189610, 235456, 246493, 278720, 294320, 303376, 379220, 492986, 588640, 606752, 758440, 985972, 1177280, 1213504, 1232465, 1516880, 1971944, 2464930, 3033760, 3943888, 4929860, 6067520, 7887776, 9859720, 15775552, 19719440, 39438880, 78877760]

約数ペア:

[(1, 78877760), (2, 39438880), (4, 19719440), (5, 15775552), (8, 9859720), (10, 7887776), (13, 6067520), (16, 4929860), (20, 3943888), (26, 3033760), (32, 2464930), (40, 1971944), (52, 1516880), (64, 1232465), (65, 1213504), (67, 1177280), (80, 985972), (104, 758440), (130, 606752), (134, 588640), (160, 492986), (208, 379220), (260, 303376), (268, 294320), (283, 278720), (320, 246493), (335, 235456), (416, 189610), (520, 151688), (536, 147160), (566, 139360), (670, 117728), (832, 94805), (871, 90560), (1040, 75844), (1072, 73580), (1132, 69680), (1340, 58864), (1415, 55744), (1742, 45280), (2080, 37922), (2144, 36790), (2264, 34840), (2680, 29432), (2830, 27872), (3484, 22640), (3679, 21440), (4160, 18961), (4288, 18395), (4355, 18112), (4528, 17420), (5360, 14716), (5660, 13936), (6968, 11320), (7358, 10720), (8710, 9056)]