78487440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{2083}}^1$

素因数の和:2256

約数の個数: 80

約数和(自身を含む): 244978368

約数和(自身を除く): 166490928

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 157, 240, 314, 471, 628, 785, 942, 1256, 1570, 1884, 2083, 2355, 2512, 3140, 3768, 4166, 4710, 6249, 6280, 7536, 8332, 9420, 10415, 12498, 12560, 16664, 18840, 20830, 24996, 31245, 33328, 37680, 41660, 49992, 62490, 83320, 99984, 124980, 166640, 249960, 327031, 499920, 654062, 981093, 1308124, 1635155, 1962186, 2616248, 3270310, 3924372, 4905465, 5232496, 6540620, 7848744, 9810930, 13081240, 15697488, 19621860, 26162480, 39243720, 78487440]

約数ペア:

[(1, 78487440), (2, 39243720), (3, 26162480), (4, 19621860), (5, 15697488), (6, 13081240), (8, 9810930), (10, 7848744), (12, 6540620), (15, 5232496), (16, 4905465), (20, 3924372), (24, 3270310), (30, 2616248), (40, 1962186), (48, 1635155), (60, 1308124), (80, 981093), (120, 654062), (157, 499920), (240, 327031), (314, 249960), (471, 166640), (628, 124980), (785, 99984), (942, 83320), (1256, 62490), (1570, 49992), (1884, 41660), (2083, 37680), (2355, 33328), (2512, 31245), (3140, 24996), (3768, 20830), (4166, 18840), (4710, 16664), (6249, 12560), (6280, 12498), (7536, 10415), (8332, 9420)]