77639640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{317}}^1$

素因数の和:501

約数の個数: 128

約数和(自身を含む): 253229760

約数和(自身を除く): 175590120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 157, 195, 260, 312, 314, 317, 390, 471, 520, 628, 634, 780, 785, 942, 951, 1256, 1268, 1560, 1570, 1585, 1884, 1902, 2041, 2355, 2536, 3140, 3170, 3768, 3804, 4082, 4121, 4710, 4755, 6123, 6280, 6340, 7608, 8164, 8242, 9420, 9510, 10205, 12246, 12363, 12680, 16328, 16484, 18840, 19020, 20410, 20605, 24492, 24726, 30615, 32968, 38040, 40820, 41210, 48984, 49452, 49769, 61230, 61815, 81640, 82420, 98904, 99538, 122460, 123630, 149307, 164840, 199076, 244920, 247260, 248845, 298614, 398152, 494520, 497690, 597228, 646997, 746535, 995380, 1194456, 1293994, 1493070, 1940991, 1990760, 2587988, 2986140, 3234985, 3881982, 5175976, 5972280, 6469970, 7763964, 9704955, 12939940, 15527928, 19409910, 25879880, 38819820, 77639640]

約数ペア:

[(1, 77639640), (2, 38819820), (3, 25879880), (4, 19409910), (5, 15527928), (6, 12939940), (8, 9704955), (10, 7763964), (12, 6469970), (13, 5972280), (15, 5175976), (20, 3881982), (24, 3234985), (26, 2986140), (30, 2587988), (39, 1990760), (40, 1940991), (52, 1493070), (60, 1293994), (65, 1194456), (78, 995380), (104, 746535), (120, 646997), (130, 597228), (156, 497690), (157, 494520), (195, 398152), (260, 298614), (312, 248845), (314, 247260), (317, 244920), (390, 199076), (471, 164840), (520, 149307), (628, 123630), (634, 122460), (780, 99538), (785, 98904), (942, 82420), (951, 81640), (1256, 61815), (1268, 61230), (1560, 49769), (1570, 49452), (1585, 48984), (1884, 41210), (1902, 40820), (2041, 38040), (2355, 32968), (2536, 30615), (3140, 24726), (3170, 24492), (3768, 20605), (3804, 20410), (4082, 19020), (4121, 18840), (4710, 16484), (4755, 16328), (6123, 12680), (6280, 12363), (6340, 12246), (7608, 10205), (8164, 9510), (8242, 9420)]