66240920

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{809}}^1$

素因数の和:932

約数の個数: 64

約数和(自身を含む): 157464000

約数和(自身を除く): 91223080

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 89, 92, 115, 178, 184, 230, 356, 445, 460, 712, 809, 890, 920, 1618, 1780, 2047, 3236, 3560, 4045, 4094, 6472, 8090, 8188, 10235, 16180, 16376, 18607, 20470, 32360, 37214, 40940, 72001, 74428, 81880, 93035, 144002, 148856, 186070, 288004, 360005, 372140, 576008, 720010, 744280, 1440020, 1656023, 2880040, 3312046, 6624092, 8280115, 13248184, 16560230, 33120460, 66240920]

約数ペア:

[(1, 66240920), (2, 33120460), (4, 16560230), (5, 13248184), (8, 8280115), (10, 6624092), (20, 3312046), (23, 2880040), (40, 1656023), (46, 1440020), (89, 744280), (92, 720010), (115, 576008), (178, 372140), (184, 360005), (230, 288004), (356, 186070), (445, 148856), (460, 144002), (712, 93035), (809, 81880), (890, 74428), (920, 72001), (1618, 40940), (1780, 37214), (2047, 32360), (3236, 20470), (3560, 18607), (4045, 16376), (4094, 16180), (6472, 10235), (8090, 8188)]