16465890

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{881}}^1$

素因数の和:987

約数の個数: 64

約数和(自身を含む): 45722880

約数和(自身を除く): 29256990

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 89, 105, 178, 210, 267, 445, 534, 623, 881, 890, 1246, 1335, 1762, 1869, 2643, 2670, 3115, 3738, 4405, 5286, 6167, 6230, 8810, 9345, 12334, 13215, 18501, 18690, 26430, 30835, 37002, 61670, 78409, 92505, 156818, 185010, 235227, 392045, 470454, 548863, 784090, 1097726, 1176135, 1646589, 2352270, 2744315, 3293178, 5488630, 8232945, 16465890]

約数ペア:

[(1, 16465890), (2, 8232945), (3, 5488630), (5, 3293178), (6, 2744315), (7, 2352270), (10, 1646589), (14, 1176135), (15, 1097726), (21, 784090), (30, 548863), (35, 470454), (42, 392045), (70, 235227), (89, 185010), (105, 156818), (178, 92505), (210, 78409), (267, 61670), (445, 37002), (534, 30835), (623, 26430), (881, 18690), (890, 18501), (1246, 13215), (1335, 12334), (1762, 9345), (1869, 8810), (2643, 6230), (2670, 6167), (3115, 5286), (3738, 4405)]