20300160

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1$

素因数の和:228

約数の個数: 128

約数和(自身を含む): 65973600

約数和(自身を除く): 45673440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 97, 109, 120, 128, 160, 192, 194, 218, 240, 291, 320, 327, 384, 388, 436, 480, 485, 545, 582, 640, 654, 776, 872, 960, 970, 1090, 1164, 1308, 1455, 1552, 1635, 1744, 1920, 1940, 2180, 2328, 2616, 2910, 3104, 3270, 3488, 3880, 4360, 4656, 5232, 5820, 6208, 6540, 6976, 7760, 8720, 9312, 10464, 10573, 11640, 12416, 13080, 13952, 15520, 17440, 18624, 20928, 21146, 23280, 26160, 31040, 31719, 34880, 37248, 41856, 42292, 46560, 52320, 52865, 62080, 63438, 69760, 84584, 93120, 104640, 105730, 126876, 158595, 169168, 186240, 209280, 211460, 253752, 317190, 338336, 422920, 507504, 634380, 676672, 845840, 1015008, 1268760, 1353344, 1691680, 2030016, 2537520, 3383360, 4060032, 5075040, 6766720, 10150080, 20300160]

約数ペア:

[(1, 20300160), (2, 10150080), (3, 6766720), (4, 5075040), (5, 4060032), (6, 3383360), (8, 2537520), (10, 2030016), (12, 1691680), (15, 1353344), (16, 1268760), (20, 1015008), (24, 845840), (30, 676672), (32, 634380), (40, 507504), (48, 422920), (60, 338336), (64, 317190), (80, 253752), (96, 211460), (97, 209280), (109, 186240), (120, 169168), (128, 158595), (160, 126876), (192, 105730), (194, 104640), (218, 93120), (240, 84584), (291, 69760), (320, 63438), (327, 62080), (384, 52865), (388, 52320), (436, 46560), (480, 42292), (485, 41856), (545, 37248), (582, 34880), (640, 31719), (654, 31040), (776, 26160), (872, 23280), (960, 21146), (970, 20928), (1090, 18624), (1164, 17440), (1308, 15520), (1455, 13952), (1552, 13080), (1635, 12416), (1744, 11640), (1920, 10573), (1940, 10464), (2180, 9312), (2328, 8720), (2616, 7760), (2910, 6976), (3104, 6540), (3270, 6208), (3488, 5820), (3880, 5232), (4360, 4656)]