About the Number
1281957840
2進数表記:1001100011010010001111111010000
漢数字表記:十二億八千百九十五万七千八百四十
素因数分解:
素因数の和:1299
約数の個数: 200
約数和(自身を含む): 4481124648
約数和(自身を除く): 3199166808
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, 90, 108, 120, 135, 144, 162, 180, 181, 216, 240, 270, 324, 360, 362, 405, 432, 540, 543, 648, 720, 724, 810, 905, 1080, 1086, 1093, 1296, 1448, 1620, 1629, 1810, 2160, 2172, 2186, 2715, 2896, 3240, 3258, 3279, 3620, 4344, 4372, 4887, 5430, 5465, 6480, 6516, 6558, 7240, 8145, 8688, 8744, 9774, 9837, 10860, 10930, 13032, 13116, 14480, 14661, 16290, 16395, 17488, 19548, 19674, 21720, 21860, 24435, 26064, 26232, 29322, 29511, 32580, 32790, 39096, 39348, 43440, 43720, 48870, 49185, 52464, 58644, 59022, 65160, 65580, 73305, 78192, 78696, 87440, 88533, 97740, 98370, 117288, 118044, 130320, 131160, 146610, 147555, 157392, 177066, 195480, 196740, 197833, 234576, 236088, 262320, 293220, 295110, 354132, 390960, 393480, 395666, 442665, 472176, 586440, 590220, 593499, 708264, 786960, 791332, 885330, 989165, 1172880, 1180440, 1186998, 1416528, 1582664, 1770660, 1780497, 1978330, 2360880, 2373996, 2967495, 3165328, 3541320, 3560994, 3956660, 4747992, 5341491, 5934990, 7082640, 7121988, 7913320, 8902485, 9495984, 10682982, 11869980, 14243976, 15826640, 16024473, 17804970, 21365964, 23739960, 26707455, 28487952, 32048946, 35609940, 42731928, 47479920, 53414910, 64097892, 71219880, 80122365, 85463856, 106829820, 128195784, 142439760, 160244730, 213659640, 256391568, 320489460, 427319280, 640978920, 1281957840]
約数ペア:
[(1, 1281957840), (2, 640978920), (3, 427319280), (4, 320489460), (5, 256391568), (6, 213659640), (8, 160244730), (9, 142439760), (10, 128195784), (12, 106829820), (15, 85463856), (16, 80122365), (18, 71219880), (20, 64097892), (24, 53414910), (27, 47479920), (30, 42731928), (36, 35609940), (40, 32048946), (45, 28487952), (48, 26707455), (54, 23739960), (60, 21365964), (72, 17804970), (80, 16024473), (81, 15826640), (90, 14243976), (108, 11869980), (120, 10682982), (135, 9495984), (144, 8902485), (162, 7913320), (180, 7121988), (181, 7082640), (216, 5934990), (240, 5341491), (270, 4747992), (324, 3956660), (360, 3560994), (362, 3541320), (405, 3165328), (432, 2967495), (540, 2373996), (543, 2360880), (648, 1978330), (720, 1780497), (724, 1770660), (810, 1582664), (905, 1416528), (1080, 1186998), (1086, 1180440), (1093, 1172880), (1296, 989165), (1448, 885330), (1620, 791332), (1629, 786960), (1810, 708264), (2160, 593499), (2172, 590220), (2186, 586440), (2715, 472176), (2896, 442665), (3240, 395666), (3258, 393480), (3279, 390960), (3620, 354132), (4344, 295110), (4372, 293220), (4887, 262320), (5430, 236088), (5465, 234576), (6480, 197833), (6516, 196740), (6558, 195480), (7240, 177066), (8145, 157392), (8688, 147555), (8744, 146610), (9774, 131160), (9837, 130320), (10860, 118044), (10930, 117288), (13032, 98370), (13116, 97740), (14480, 88533), (14661, 87440), (16290, 78696), (16395, 78192), (17488, 73305), (19548, 65580), (19674, 65160), (21720, 59022), (21860, 58644), (24435, 52464), (26064, 49185), (26232, 48870), (29322, 43720), (29511, 43440), (32580, 39348), (32790, 39096)]このpageの処理時間: 0.10959887504577637 seconds