820747760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{1181}}^1$

素因数の和:1291

約数の個数: 160

約数和(自身を含む): 2342742912

約数和(自身を除く): 1521995152

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 34, 35, 40, 56, 68, 70, 73, 80, 85, 112, 119, 136, 140, 146, 170, 238, 272, 280, 292, 340, 365, 476, 511, 560, 584, 595, 680, 730, 952, 1022, 1168, 1181, 1190, 1241, 1360, 1460, 1904, 2044, 2362, 2380, 2482, 2555, 2920, 4088, 4724, 4760, 4964, 5110, 5840, 5905, 6205, 8176, 8267, 8687, 9448, 9520, 9928, 10220, 11810, 12410, 16534, 17374, 18896, 19856, 20077, 20440, 23620, 24820, 33068, 34748, 40154, 40880, 41335, 43435, 47240, 49640, 66136, 69496, 80308, 82670, 86213, 86870, 94480, 99280, 100385, 132272, 138992, 140539, 160616, 165340, 172426, 173740, 200770, 281078, 321232, 330680, 344852, 347480, 401540, 431065, 562156, 603491, 661360, 689704, 694960, 702695, 803080, 862130, 1124312, 1206982, 1379408, 1405390, 1465621, 1606160, 1724260, 2248624, 2413964, 2810780, 2931242, 3017455, 3448520, 4827928, 5621560, 5862484, 6034910, 6897040, 7328105, 9655856, 10259347, 11243120, 11724968, 12069820, 14656210, 20518694, 23449936, 24139640, 29312420, 41037388, 48279280, 51296735, 58624840, 82074776, 102593470, 117249680, 164149552, 205186940, 410373880, 820747760]

約数ペア:

[(1, 820747760), (2, 410373880), (4, 205186940), (5, 164149552), (7, 117249680), (8, 102593470), (10, 82074776), (14, 58624840), (16, 51296735), (17, 48279280), (20, 41037388), (28, 29312420), (34, 24139640), (35, 23449936), (40, 20518694), (56, 14656210), (68, 12069820), (70, 11724968), (73, 11243120), (80, 10259347), (85, 9655856), (112, 7328105), (119, 6897040), (136, 6034910), (140, 5862484), (146, 5621560), (170, 4827928), (238, 3448520), (272, 3017455), (280, 2931242), (292, 2810780), (340, 2413964), (365, 2248624), (476, 1724260), (511, 1606160), (560, 1465621), (584, 1405390), (595, 1379408), (680, 1206982), (730, 1124312), (952, 862130), (1022, 803080), (1168, 702695), (1181, 694960), (1190, 689704), (1241, 661360), (1360, 603491), (1460, 562156), (1904, 431065), (2044, 401540), (2362, 347480), (2380, 344852), (2482, 330680), (2555, 321232), (2920, 281078), (4088, 200770), (4724, 173740), (4760, 172426), (4964, 165340), (5110, 160616), (5840, 140539), (5905, 138992), (6205, 132272), (8176, 100385), (8267, 99280), (8687, 94480), (9448, 86870), (9520, 86213), (9928, 82670), (10220, 80308), (11810, 69496), (12410, 66136), (16534, 49640), (17374, 47240), (18896, 43435), (19856, 41335), (20077, 40880), (20440, 40154), (23620, 34748), (24820, 33068)]