About the Number

90090780

90090779 ← → 90090781

2進数表記:101010111101010110100011100

漢数字表記:九千九万七百八十

素因数分解:

2 2 × 3 1 × 5 1 × 13 1 × 19 1 × 6079 1

素因数の和:6123
約数の個数: 96
約数和(自身を含む): 286003200
約数和(自身を除く): 195912420

約数列:
[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 19, 20, 26, 30, 38, 39, 52, 57, 60, 65, 76, 78, 95, 114, 130, 156, 190, 195, 228, 247, 260, 285, 380, 390, 494, 570, 741, 780, 988, 1140, 1235, 1482, 2470, 2964, 3705, 4940, 6079, 7410, 12158, 14820, 18237, 24316, 30395, 36474, 60790, 72948, 79027, 91185, 115501, 121580, 158054, 182370, 231002, 237081, 316108, 346503, 364740, 395135, 462004, 474162, 577505, 693006, 790270, 948324, 1155010, 1185405, 1386012, 1501513, 1580540, 1732515, 2310020, 2370810, 3003026, 3465030, 4504539, 4741620, 6006052, 6930060, 7507565, 9009078, 15015130, 18018156, 22522695, 30030260, 45045390, 90090780]

約数ペア:
[(1, 90090780), (2, 45045390), (3, 30030260), (4, 22522695), (5, 18018156), (6, 15015130), (10, 9009078), (12, 7507565), (13, 6930060), (15, 6006052), (19, 4741620), (20, 4504539), (26, 3465030), (30, 3003026), (38, 2370810), (39, 2310020), (52, 1732515), (57, 1580540), (60, 1501513), (65, 1386012), (76, 1185405), (78, 1155010), (95, 948324), (114, 790270), (130, 693006), (156, 577505), (190, 474162), (195, 462004), (228, 395135), (247, 364740), (260, 346503), (285, 316108), (380, 237081), (390, 231002), (494, 182370), (570, 158054), (741, 121580), (780, 115501), (988, 91185), (1140, 79027), (1235, 72948), (1482, 60790), (2470, 36474), (2964, 30395), (3705, 24316), (4940, 18237), (6079, 14820), (7410, 12158)]

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