About the Number

121687920

121687919 ← → 121687921

2進数表記:111010000001100111101110000

漢数字表記:一億二千百六十八万七千九百二十

素因数分解:

2 4 × 3 4 × 5 1 × 89 1 × 211 1

素因数の和:325
約数の個数: 200
約数和(自身を含む): 429414480
約数和(自身を除く): 307726560

約数列:
[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 89, 90, 108, 120, 135, 144, 162, 178, 180, 211, 216, 240, 267, 270, 324, 356, 360, 405, 422, 432, 445, 534, 540, 633, 648, 712, 720, 801, 810, 844, 890, 1055, 1068, 1080, 1266, 1296, 1335, 1424, 1602, 1620, 1688, 1780, 1899, 2110, 2136, 2160, 2403, 2532, 2670, 3165, 3204, 3240, 3376, 3560, 3798, 4005, 4220, 4272, 4806, 5064, 5340, 5697, 6330, 6408, 6480, 7120, 7209, 7596, 8010, 8440, 9495, 9612, 10128, 10680, 11394, 12015, 12660, 12816, 14418, 15192, 16020, 16880, 17091, 18779, 18990, 19224, 21360, 22788, 24030, 25320, 28485, 28836, 30384, 32040, 34182, 36045, 37558, 37980, 38448, 45576, 48060, 50640, 56337, 56970, 57672, 64080, 68364, 72090, 75116, 75960, 85455, 91152, 93895, 96120, 112674, 113940, 115344, 136728, 144180, 150232, 151920, 169011, 170910, 187790, 192240, 225348, 227880, 273456, 281685, 288360, 300464, 338022, 341820, 375580, 450696, 455760, 507033, 563370, 576720, 676044, 683640, 751160, 845055, 901392, 1014066, 1126740, 1352088, 1367280, 1502320, 1521099, 1690110, 2028132, 2253480, 2535165, 2704176, 3042198, 3380220, 4056264, 4506960, 5070330, 6084396, 6760440, 7605495, 8112528, 10140660, 12168792, 13520880, 15210990, 20281320, 24337584, 30421980, 40562640, 60843960, 121687920]

約数ペア:
[(1, 121687920), (2, 60843960), (3, 40562640), (4, 30421980), (5, 24337584), (6, 20281320), (8, 15210990), (9, 13520880), (10, 12168792), (12, 10140660), (15, 8112528), (16, 7605495), (18, 6760440), (20, 6084396), (24, 5070330), (27, 4506960), (30, 4056264), (36, 3380220), (40, 3042198), (45, 2704176), (48, 2535165), (54, 2253480), (60, 2028132), (72, 1690110), (80, 1521099), (81, 1502320), (89, 1367280), (90, 1352088), (108, 1126740), (120, 1014066), (135, 901392), (144, 845055), (162, 751160), (178, 683640), (180, 676044), (211, 576720), (216, 563370), (240, 507033), (267, 455760), (270, 450696), (324, 375580), (356, 341820), (360, 338022), (405, 300464), (422, 288360), (432, 281685), (445, 273456), (534, 227880), (540, 225348), (633, 192240), (648, 187790), (712, 170910), (720, 169011), (801, 151920), (810, 150232), (844, 144180), (890, 136728), (1055, 115344), (1068, 113940), (1080, 112674), (1266, 96120), (1296, 93895), (1335, 91152), (1424, 85455), (1602, 75960), (1620, 75116), (1688, 72090), (1780, 68364), (1899, 64080), (2110, 57672), (2136, 56970), (2160, 56337), (2403, 50640), (2532, 48060), (2670, 45576), (3165, 38448), (3204, 37980), (3240, 37558), (3376, 36045), (3560, 34182), (3798, 32040), (4005, 30384), (4220, 28836), (4272, 28485), (4806, 25320), (5064, 24030), (5340, 22788), (5697, 21360), (6330, 19224), (6408, 18990), (6480, 18779), (7120, 17091), (7209, 16880), (7596, 16020), (8010, 15192), (8440, 14418), (9495, 12816), (9612, 12660), (10128, 12015), (10680, 11394)]

このpageの処理時間: 0.008109092712402344 seconds