About the Number

129809880

129809879 ← → 129809881

2進数表記:111101111001011110111011000

漢数字表記:一億二千九百八十万九千八百八十

素因数分解:

2 3 × 3 2 × 5 1 × 113 1 × 3191 1

素因数の和:3321
約数の個数: 96
約数和(自身を含む): 425748960
約数和(自身を除く): 295939080

約数列:
[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 113, 120, 180, 226, 339, 360, 452, 565, 678, 904, 1017, 1130, 1356, 1695, 2034, 2260, 2712, 3191, 3390, 4068, 4520, 5085, 6382, 6780, 8136, 9573, 10170, 12764, 13560, 15955, 19146, 20340, 25528, 28719, 31910, 38292, 40680, 47865, 57438, 63820, 76584, 95730, 114876, 127640, 143595, 191460, 229752, 287190, 360583, 382920, 574380, 721166, 1081749, 1148760, 1442332, 1802915, 2163498, 2884664, 3245247, 3605830, 4326996, 5408745, 6490494, 7211660, 8653992, 10817490, 12980988, 14423320, 16226235, 21634980, 25961976, 32452470, 43269960, 64904940, 129809880]

約数ペア:
[(1, 129809880), (2, 64904940), (3, 43269960), (4, 32452470), (5, 25961976), (6, 21634980), (8, 16226235), (9, 14423320), (10, 12980988), (12, 10817490), (15, 8653992), (18, 7211660), (20, 6490494), (24, 5408745), (30, 4326996), (36, 3605830), (40, 3245247), (45, 2884664), (60, 2163498), (72, 1802915), (90, 1442332), (113, 1148760), (120, 1081749), (180, 721166), (226, 574380), (339, 382920), (360, 360583), (452, 287190), (565, 229752), (678, 191460), (904, 143595), (1017, 127640), (1130, 114876), (1356, 95730), (1695, 76584), (2034, 63820), (2260, 57438), (2712, 47865), (3191, 40680), (3390, 38292), (4068, 31910), (4520, 28719), (5085, 25528), (6382, 20340), (6780, 19146), (8136, 15955), (9573, 13560), (10170, 12764)]

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