145596640

素因数分解:

$2^5\times 5^1\times 7^4\times {\mathrm{379}}^1$

素因数の和:422

約数の個数: 120

約数和(自身を含む): 402335640

約数和(自身を除く): 256739000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 343, 379, 392, 490, 560, 686, 758, 784, 980, 1120, 1372, 1516, 1568, 1715, 1895, 1960, 2401, 2653, 2744, 3032, 3430, 3790, 3920, 4802, 5306, 5488, 6064, 6860, 7580, 7840, 9604, 10612, 10976, 12005, 12128, 13265, 13720, 15160, 18571, 19208, 21224, 24010, 26530, 27440, 30320, 37142, 38416, 42448, 48020, 53060, 54880, 60640, 74284, 76832, 84896, 92855, 96040, 106120, 129997, 148568, 185710, 192080, 212240, 259994, 297136, 371420, 384160, 424480, 519988, 594272, 649985, 742840, 909979, 1039976, 1299970, 1485680, 1819958, 2079952, 2599940, 2971360, 3639916, 4159904, 4549895, 5199880, 7279832, 9099790, 10399760, 14559664, 18199580, 20799520, 29119328, 36399160, 72798320, 145596640]

約数ペア:

[(1, 145596640), (2, 72798320), (4, 36399160), (5, 29119328), (7, 20799520), (8, 18199580), (10, 14559664), (14, 10399760), (16, 9099790), (20, 7279832), (28, 5199880), (32, 4549895), (35, 4159904), (40, 3639916), (49, 2971360), (56, 2599940), (70, 2079952), (80, 1819958), (98, 1485680), (112, 1299970), (140, 1039976), (160, 909979), (196, 742840), (224, 649985), (245, 594272), (280, 519988), (343, 424480), (379, 384160), (392, 371420), (490, 297136), (560, 259994), (686, 212240), (758, 192080), (784, 185710), (980, 148568), (1120, 129997), (1372, 106120), (1516, 96040), (1568, 92855), (1715, 84896), (1895, 76832), (1960, 74284), (2401, 60640), (2653, 54880), (2744, 53060), (3032, 48020), (3430, 42448), (3790, 38416), (3920, 37142), (4802, 30320), (5306, 27440), (5488, 26530), (6064, 24010), (6860, 21224), (7580, 19208), (7840, 18571), (9604, 15160), (10612, 13720), (10976, 13265), (12005, 12128)]