About the Number

231347280

231347279 ← → 231347281

2進数表記:1101110010100001010001010000

漢数字表記:二億三千百三十四万七千二百八十

素因数分解:

2 4 × 3 1 × 5 1 × 271 1 × 3557 1

素因数の和:3844
約数の個数: 80
約数和(自身を含む): 720025344
約数和(自身を除く): 488678064

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 271, 542, 813, 1084, 1355, 1626, 2168, 2710, 3252, 3557, 4065, 4336, 5420, 6504, 7114, 8130, 10671, 10840, 13008, 14228, 16260, 17785, 21342, 21680, 28456, 32520, 35570, 42684, 53355, 56912, 65040, 71140, 85368, 106710, 142280, 170736, 213420, 284560, 426840, 853680, 963947, 1927894, 2891841, 3855788, 4819735, 5783682, 7711576, 9639470, 11567364, 14459205, 15423152, 19278940, 23134728, 28918410, 38557880, 46269456, 57836820, 77115760, 115673640, 231347280]

約数ペア:
[(1, 231347280), (2, 115673640), (3, 77115760), (4, 57836820), (5, 46269456), (6, 38557880), (8, 28918410), (10, 23134728), (12, 19278940), (15, 15423152), (16, 14459205), (20, 11567364), (24, 9639470), (30, 7711576), (40, 5783682), (48, 4819735), (60, 3855788), (80, 2891841), (120, 1927894), (240, 963947), (271, 853680), (542, 426840), (813, 284560), (1084, 213420), (1355, 170736), (1626, 142280), (2168, 106710), (2710, 85368), (3252, 71140), (3557, 65040), (4065, 56912), (4336, 53355), (5420, 42684), (6504, 35570), (7114, 32520), (8130, 28456), (10671, 21680), (10840, 21342), (13008, 17785), (14228, 16260)]

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