About the Number

130391280

130391279 ← → 130391281

2進数表記:111110001011001110011110000

漢数字表記:一億三千三十九万千二百八十

素因数分解:

2 4 × 3 2 × 5 1 × 97 1 × 1867 1

素因数の和:1983
約数の個数: 120
約数和(自身を含む): 442648752
約数和(自身を除く): 312257472

約数列:
[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 97, 120, 144, 180, 194, 240, 291, 360, 388, 485, 582, 720, 776, 873, 970, 1164, 1455, 1552, 1746, 1867, 1940, 2328, 2910, 3492, 3734, 3880, 4365, 4656, 5601, 5820, 6984, 7468, 7760, 8730, 9335, 11202, 11640, 13968, 14936, 16803, 17460, 18670, 22404, 23280, 28005, 29872, 33606, 34920, 37340, 44808, 56010, 67212, 69840, 74680, 84015, 89616, 112020, 134424, 149360, 168030, 181099, 224040, 268848, 336060, 362198, 448080, 543297, 672120, 724396, 905495, 1086594, 1344240, 1448792, 1629891, 1810990, 2173188, 2716485, 2897584, 3259782, 3621980, 4346376, 5432970, 6519564, 7243960, 8149455, 8692752, 10865940, 13039128, 14487920, 16298910, 21731880, 26078256, 32597820, 43463760, 65195640, 130391280]

約数ペア:
[(1, 130391280), (2, 65195640), (3, 43463760), (4, 32597820), (5, 26078256), (6, 21731880), (8, 16298910), (9, 14487920), (10, 13039128), (12, 10865940), (15, 8692752), (16, 8149455), (18, 7243960), (20, 6519564), (24, 5432970), (30, 4346376), (36, 3621980), (40, 3259782), (45, 2897584), (48, 2716485), (60, 2173188), (72, 1810990), (80, 1629891), (90, 1448792), (97, 1344240), (120, 1086594), (144, 905495), (180, 724396), (194, 672120), (240, 543297), (291, 448080), (360, 362198), (388, 336060), (485, 268848), (582, 224040), (720, 181099), (776, 168030), (873, 149360), (970, 134424), (1164, 112020), (1455, 89616), (1552, 84015), (1746, 74680), (1867, 69840), (1940, 67212), (2328, 56010), (2910, 44808), (3492, 37340), (3734, 34920), (3880, 33606), (4365, 29872), (4656, 28005), (5601, 23280), (5820, 22404), (6984, 18670), (7468, 17460), (7760, 16803), (8730, 14936), (9335, 13968), (11202, 11640)]

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