1274831680

素因数分解:

$2^6\times 5^1\times {\mathrm{61}}^1\times {\mathrm{65309}}^1$

素因数の和:65387

約数の個数: 56

約数和(自身を含む): 3085505640

約数和(自身を除く): 1810673960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 160, 244, 305, 320, 488, 610, 976, 1220, 1952, 2440, 3904, 4880, 9760, 19520, 65309, 130618, 261236, 326545, 522472, 653090, 1044944, 1306180, 2089888, 2612360, 3983849, 4179776, 5224720, 7967698, 10449440, 15935396, 19919245, 20898880, 31870792, 39838490, 63741584, 79676980, 127483168, 159353960, 254966336, 318707920, 637415840, 1274831680]

約数ペア:

[(1, 1274831680), (2, 637415840), (4, 318707920), (5, 254966336), (8, 159353960), (10, 127483168), (16, 79676980), (20, 63741584), (32, 39838490), (40, 31870792), (61, 20898880), (64, 19919245), (80, 15935396), (122, 10449440), (160, 7967698), (244, 5224720), (305, 4179776), (320, 3983849), (488, 2612360), (610, 2089888), (976, 1306180), (1220, 1044944), (1952, 653090), (2440, 522472), (3904, 326545), (4880, 261236), (9760, 130618), (19520, 65309)]