About the Number

126878640

126878639 ← → 126878641

2進数表記:111100100000000001110110000

漢数字表記:一億二千六百八十七万八千六百四十

素因数分解:

2 4 × 3 1 × 5 1 × 7 2 × 10789 1

素因数の和:10819
約数の個数: 120
約数和(自身を含む): 457582320
約数和(自身を除く): 330703680

約数列:
[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 98, 105, 112, 120, 140, 147, 168, 196, 210, 240, 245, 280, 294, 336, 392, 420, 490, 560, 588, 735, 784, 840, 980, 1176, 1470, 1680, 1960, 2352, 2940, 3920, 5880, 10789, 11760, 21578, 32367, 43156, 53945, 64734, 75523, 86312, 107890, 129468, 151046, 161835, 172624, 215780, 226569, 258936, 302092, 323670, 377615, 431560, 453138, 517872, 528661, 604184, 647340, 755230, 863120, 906276, 1057322, 1132845, 1208368, 1294680, 1510460, 1585983, 1812552, 2114644, 2265690, 2589360, 2643305, 3020920, 3171966, 3625104, 4229288, 4531380, 5286610, 6041840, 6343932, 7929915, 8458576, 9062760, 10573220, 12687864, 15859830, 18125520, 21146440, 25375728, 31719660, 42292880, 63439320, 126878640]

約数ペア:
[(1, 126878640), (2, 63439320), (3, 42292880), (4, 31719660), (5, 25375728), (6, 21146440), (7, 18125520), (8, 15859830), (10, 12687864), (12, 10573220), (14, 9062760), (15, 8458576), (16, 7929915), (20, 6343932), (21, 6041840), (24, 5286610), (28, 4531380), (30, 4229288), (35, 3625104), (40, 3171966), (42, 3020920), (48, 2643305), (49, 2589360), (56, 2265690), (60, 2114644), (70, 1812552), (80, 1585983), (84, 1510460), (98, 1294680), (105, 1208368), (112, 1132845), (120, 1057322), (140, 906276), (147, 863120), (168, 755230), (196, 647340), (210, 604184), (240, 528661), (245, 517872), (280, 453138), (294, 431560), (336, 377615), (392, 323670), (420, 302092), (490, 258936), (560, 226569), (588, 215780), (735, 172624), (784, 161835), (840, 151046), (980, 129468), (1176, 107890), (1470, 86312), (1680, 75523), (1960, 64734), (2352, 53945), (2940, 43156), (3920, 32367), (5880, 21578), (10789, 11760)]

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