31179760

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{281}}^1$

素因数の和:386

約数の個数: 80

約数和(自身を含む): 77628960

約数和(自身を除く): 46449200

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 73, 76, 80, 95, 146, 152, 190, 281, 292, 304, 365, 380, 562, 584, 730, 760, 1124, 1168, 1387, 1405, 1460, 1520, 2248, 2774, 2810, 2920, 4496, 5339, 5548, 5620, 5840, 6935, 10678, 11096, 11240, 13870, 20513, 21356, 22192, 22480, 26695, 27740, 41026, 42712, 53390, 55480, 82052, 85424, 102565, 106780, 110960, 164104, 205130, 213560, 328208, 389747, 410260, 427120, 779494, 820520, 1558988, 1641040, 1948735, 3117976, 3897470, 6235952, 7794940, 15589880, 31179760]

約数ペア:

[(1, 31179760), (2, 15589880), (4, 7794940), (5, 6235952), (8, 3897470), (10, 3117976), (16, 1948735), (19, 1641040), (20, 1558988), (38, 820520), (40, 779494), (73, 427120), (76, 410260), (80, 389747), (95, 328208), (146, 213560), (152, 205130), (190, 164104), (281, 110960), (292, 106780), (304, 102565), (365, 85424), (380, 82052), (562, 55480), (584, 53390), (730, 42712), (760, 41026), (1124, 27740), (1168, 26695), (1387, 22480), (1405, 22192), (1460, 21356), (1520, 20513), (2248, 13870), (2774, 11240), (2810, 11096), (2920, 10678), (4496, 6935), (5339, 5840), (5548, 5620)]