73920280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{1163}}^1$

素因数の和:1408

約数の個数: 64

約数和(自身を含む): 191082240

約数和(自身を除く): 117161960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 227, 280, 454, 908, 1135, 1163, 1589, 1816, 2270, 2326, 3178, 4540, 4652, 5815, 6356, 7945, 8141, 9080, 9304, 11630, 12712, 15890, 16282, 23260, 31780, 32564, 40705, 46520, 63560, 65128, 81410, 162820, 264001, 325640, 528002, 1056004, 1320005, 1848007, 2112008, 2640010, 3696014, 5280020, 7392028, 9240035, 10560040, 14784056, 18480070, 36960140, 73920280]

約数ペア:

[(1, 73920280), (2, 36960140), (4, 18480070), (5, 14784056), (7, 10560040), (8, 9240035), (10, 7392028), (14, 5280020), (20, 3696014), (28, 2640010), (35, 2112008), (40, 1848007), (56, 1320005), (70, 1056004), (140, 528002), (227, 325640), (280, 264001), (454, 162820), (908, 81410), (1135, 65128), (1163, 63560), (1589, 46520), (1816, 40705), (2270, 32564), (2326, 31780), (3178, 23260), (4540, 16282), (4652, 15890), (5815, 12712), (6356, 11630), (7945, 9304), (8141, 9080)]