About the Number

12879743040

12879743039 ← → 12879743041

2進数表記:1011111111101100010100100001000000

漢数字表記:百二十八億七千九百七十四万三千四十

素因数分解:

2 6 × 3 3 × 5 1 × 1490711 1

素因数の和:1490737
約数の個数: 112
約数和(自身を含む): 45436901760
約数和(自身を除く): 32557158720

約数列:
[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 135, 144, 160, 180, 192, 216, 240, 270, 288, 320, 360, 432, 480, 540, 576, 720, 864, 960, 1080, 1440, 1728, 2160, 2880, 4320, 8640, 1490711, 2981422, 4472133, 5962844, 7453555, 8944266, 11925688, 13416399, 14907110, 17888532, 22360665, 23851376, 26832798, 29814220, 35777064, 40249197, 44721330, 47702752, 53665596, 59628440, 67081995, 71554128, 80498394, 89442660, 95405504, 107331192, 119256880, 134163990, 143108256, 160996788, 178885320, 201245985, 214662384, 238513760, 268327980, 286216512, 321993576, 357770640, 402491970, 429324768, 477027520, 536655960, 643987152, 715541280, 804983940, 858649536, 1073311920, 1287974304, 1431082560, 1609967880, 2146623840, 2575948608, 3219935760, 4293247680, 6439871520, 12879743040]

約数ペア:
[(1, 12879743040), (2, 6439871520), (3, 4293247680), (4, 3219935760), (5, 2575948608), (6, 2146623840), (8, 1609967880), (9, 1431082560), (10, 1287974304), (12, 1073311920), (15, 858649536), (16, 804983940), (18, 715541280), (20, 643987152), (24, 536655960), (27, 477027520), (30, 429324768), (32, 402491970), (36, 357770640), (40, 321993576), (45, 286216512), (48, 268327980), (54, 238513760), (60, 214662384), (64, 201245985), (72, 178885320), (80, 160996788), (90, 143108256), (96, 134163990), (108, 119256880), (120, 107331192), (135, 95405504), (144, 89442660), (160, 80498394), (180, 71554128), (192, 67081995), (216, 59628440), (240, 53665596), (270, 47702752), (288, 44721330), (320, 40249197), (360, 35777064), (432, 29814220), (480, 26832798), (540, 23851376), (576, 22360665), (720, 17888532), (864, 14907110), (960, 13416399), (1080, 11925688), (1440, 8944266), (1728, 7453555), (2160, 5962844), (2880, 4472133), (4320, 2981422), (8640, 1490711)]

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