166471960

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1\times {\mathrm{379}}^1$

素因数の和:608

約数の個数: 64

約数和(自身を含む): 383040000

約数和(自身を除く): 216568040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 139, 158, 278, 316, 379, 395, 556, 632, 695, 758, 790, 1112, 1390, 1516, 1580, 1895, 2780, 3032, 3160, 3790, 5560, 7580, 10981, 15160, 21962, 29941, 43924, 52681, 54905, 59882, 87848, 105362, 109810, 119764, 149705, 210724, 219620, 239528, 263405, 299410, 421448, 439240, 526810, 598820, 1053620, 1197640, 2107240, 4161799, 8323598, 16647196, 20808995, 33294392, 41617990, 83235980, 166471960]

約数ペア:

[(1, 166471960), (2, 83235980), (4, 41617990), (5, 33294392), (8, 20808995), (10, 16647196), (20, 8323598), (40, 4161799), (79, 2107240), (139, 1197640), (158, 1053620), (278, 598820), (316, 526810), (379, 439240), (395, 421448), (556, 299410), (632, 263405), (695, 239528), (758, 219620), (790, 210724), (1112, 149705), (1390, 119764), (1516, 109810), (1580, 105362), (1895, 87848), (2780, 59882), (3032, 54905), (3160, 52681), (3790, 43924), (5560, 29941), (7580, 21962), (10981, 15160)]