About the Number

1555420980

1555420979 ← → 1555420981

2進数表記:1011100101101011101011100110100

漢数字表記:十五億五千五百四十二万九百八十

素因数分解:

2 2 × 3 1 × 5 1 × 157 1 × 163 1 × 1013 1

素因数の和:1345
約数の個数: 96
約数和(自身を含む): 4414161024
約数和(自身を除く): 2858740044

約数列:
[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 157, 163, 314, 326, 471, 489, 628, 652, 785, 815, 942, 978, 1013, 1570, 1630, 1884, 1956, 2026, 2355, 2445, 3039, 3140, 3260, 4052, 4710, 4890, 5065, 6078, 9420, 9780, 10130, 12156, 15195, 20260, 25591, 30390, 51182, 60780, 76773, 102364, 127955, 153546, 159041, 165119, 255910, 307092, 318082, 330238, 383865, 477123, 495357, 511820, 636164, 660476, 767730, 795205, 825595, 954246, 990714, 1535460, 1590410, 1651190, 1908492, 1981428, 2385615, 2476785, 3180820, 3302380, 4771230, 4953570, 9542460, 9907140, 25923683, 51847366, 77771049, 103694732, 129618415, 155542098, 259236830, 311084196, 388855245, 518473660, 777710490, 1555420980]

約数ペア:
[(1, 1555420980), (2, 777710490), (3, 518473660), (4, 388855245), (5, 311084196), (6, 259236830), (10, 155542098), (12, 129618415), (15, 103694732), (20, 77771049), (30, 51847366), (60, 25923683), (157, 9907140), (163, 9542460), (314, 4953570), (326, 4771230), (471, 3302380), (489, 3180820), (628, 2476785), (652, 2385615), (785, 1981428), (815, 1908492), (942, 1651190), (978, 1590410), (1013, 1535460), (1570, 990714), (1630, 954246), (1884, 825595), (1956, 795205), (2026, 767730), (2355, 660476), (2445, 636164), (3039, 511820), (3140, 495357), (3260, 477123), (4052, 383865), (4710, 330238), (4890, 318082), (5065, 307092), (6078, 255910), (9420, 165119), (9780, 159041), (10130, 153546), (12156, 127955), (15195, 102364), (20260, 76773), (25591, 60780), (30390, 51182)]

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