77745480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:291

約数の個数: 128

約数和(自身を含む): 241920000

約数和(自身を除く): 164174520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 59, 60, 79, 118, 120, 139, 158, 177, 236, 237, 278, 295, 316, 354, 395, 417, 472, 474, 556, 590, 632, 695, 708, 790, 834, 885, 948, 1112, 1180, 1185, 1390, 1416, 1580, 1668, 1770, 1896, 2085, 2360, 2370, 2780, 3160, 3336, 3540, 4170, 4661, 4740, 5560, 7080, 8201, 8340, 9322, 9480, 10981, 13983, 16402, 16680, 18644, 21962, 23305, 24603, 27966, 32804, 32943, 37288, 41005, 43924, 46610, 49206, 54905, 55932, 65608, 65886, 69915, 82010, 87848, 93220, 98412, 109810, 111864, 123015, 131772, 139830, 164020, 164715, 186440, 196824, 219620, 246030, 263544, 279660, 328040, 329430, 439240, 492060, 559320, 647879, 658860, 984120, 1295758, 1317720, 1943637, 2591516, 3239395, 3887274, 5183032, 6478790, 7774548, 9718185, 12957580, 15549096, 19436370, 25915160, 38872740, 77745480]

約数ペア:

[(1, 77745480), (2, 38872740), (3, 25915160), (4, 19436370), (5, 15549096), (6, 12957580), (8, 9718185), (10, 7774548), (12, 6478790), (15, 5183032), (20, 3887274), (24, 3239395), (30, 2591516), (40, 1943637), (59, 1317720), (60, 1295758), (79, 984120), (118, 658860), (120, 647879), (139, 559320), (158, 492060), (177, 439240), (236, 329430), (237, 328040), (278, 279660), (295, 263544), (316, 246030), (354, 219620), (395, 196824), (417, 186440), (472, 164715), (474, 164020), (556, 139830), (590, 131772), (632, 123015), (695, 111864), (708, 109810), (790, 98412), (834, 93220), (885, 87848), (948, 82010), (1112, 69915), (1180, 65886), (1185, 65608), (1390, 55932), (1416, 54905), (1580, 49206), (1668, 46610), (1770, 43924), (1896, 41005), (2085, 37288), (2360, 32943), (2370, 32804), (2780, 27966), (3160, 24603), (3336, 23305), (3540, 21962), (4170, 18644), (4661, 16680), (4740, 16402), (5560, 13983), (7080, 10981), (8201, 9480), (8340, 9322)]