201805760

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{349}}^1$

素因数の和:518

約数の個数: 112

約数和(自身を含む): 522732000

約数和(自身を除く): 320926240

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 139, 160, 208, 260, 278, 320, 349, 416, 520, 556, 695, 698, 832, 1040, 1112, 1390, 1396, 1745, 1807, 2080, 2224, 2780, 2792, 3490, 3614, 4160, 4448, 4537, 5560, 5584, 6980, 7228, 8896, 9035, 9074, 11120, 11168, 13960, 14456, 18070, 18148, 22240, 22336, 22685, 27920, 28912, 36140, 36296, 44480, 45370, 48511, 55840, 57824, 72280, 72592, 90740, 97022, 111680, 115648, 144560, 145184, 181480, 194044, 242555, 289120, 290368, 362960, 388088, 485110, 578240, 630643, 725920, 776176, 970220, 1261286, 1451840, 1552352, 1940440, 2522572, 3104704, 3153215, 3880880, 5045144, 6306430, 7761760, 10090288, 12612860, 15523520, 20180576, 25225720, 40361152, 50451440, 100902880, 201805760]

約数ペア:

[(1, 201805760), (2, 100902880), (4, 50451440), (5, 40361152), (8, 25225720), (10, 20180576), (13, 15523520), (16, 12612860), (20, 10090288), (26, 7761760), (32, 6306430), (40, 5045144), (52, 3880880), (64, 3153215), (65, 3104704), (80, 2522572), (104, 1940440), (130, 1552352), (139, 1451840), (160, 1261286), (208, 970220), (260, 776176), (278, 725920), (320, 630643), (349, 578240), (416, 485110), (520, 388088), (556, 362960), (695, 290368), (698, 289120), (832, 242555), (1040, 194044), (1112, 181480), (1390, 145184), (1396, 144560), (1745, 115648), (1807, 111680), (2080, 97022), (2224, 90740), (2780, 72592), (2792, 72280), (3490, 57824), (3614, 55840), (4160, 48511), (4448, 45370), (4537, 44480), (5560, 36296), (5584, 36140), (6980, 28912), (7228, 27920), (8896, 22685), (9035, 22336), (9074, 22240), (11120, 18148), (11168, 18070), (13960, 14456)]