158656520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{3191}}^1$

素因数の和:3326

約数の個数: 64

約数和(自身を含む): 392999040

約数和(自身を除く): 234342520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 113, 220, 226, 440, 452, 565, 904, 1130, 1243, 2260, 2486, 3191, 4520, 4972, 6215, 6382, 9944, 12430, 12764, 15955, 24860, 25528, 31910, 35101, 49720, 63820, 70202, 127640, 140404, 175505, 280808, 351010, 360583, 702020, 721166, 1404040, 1442332, 1802915, 2884664, 3605830, 3966413, 7211660, 7932826, 14423320, 15865652, 19832065, 31731304, 39664130, 79328260, 158656520]

約数ペア:

[(1, 158656520), (2, 79328260), (4, 39664130), (5, 31731304), (8, 19832065), (10, 15865652), (11, 14423320), (20, 7932826), (22, 7211660), (40, 3966413), (44, 3605830), (55, 2884664), (88, 1802915), (110, 1442332), (113, 1404040), (220, 721166), (226, 702020), (440, 360583), (452, 351010), (565, 280808), (904, 175505), (1130, 140404), (1243, 127640), (2260, 70202), (2486, 63820), (3191, 49720), (4520, 35101), (4972, 31910), (6215, 25528), (6382, 24860), (9944, 15955), (12430, 12764)]