About the Number

213126720

213126719 ← → 213126721

2進数表記:1100101101000000111001000000

漢数字表記:二億千三百十二万六千七百二十

素因数分解:

2 6 × 3 1 × 5 1 × 222007 1

素因数の和:222027
約数の個数: 56
約数和(自身を含む): 676680384
約数和(自身を除く): 463553664

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 240, 320, 480, 960, 222007, 444014, 666021, 888028, 1110035, 1332042, 1776056, 2220070, 2664084, 3330105, 3552112, 4440140, 5328168, 6660210, 7104224, 8880280, 10656336, 13320420, 14208448, 17760560, 21312672, 26640840, 35521120, 42625344, 53281680, 71042240, 106563360, 213126720]

約数ペア:
[(1, 213126720), (2, 106563360), (3, 71042240), (4, 53281680), (5, 42625344), (6, 35521120), (8, 26640840), (10, 21312672), (12, 17760560), (15, 14208448), (16, 13320420), (20, 10656336), (24, 8880280), (30, 7104224), (32, 6660210), (40, 5328168), (48, 4440140), (60, 3552112), (64, 3330105), (80, 2664084), (96, 2220070), (120, 1776056), (160, 1332042), (192, 1110035), (240, 888028), (320, 666021), (480, 444014), (960, 222007)]

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