About the Number

128012640

128012639 ← → 128012641

2進数表記:111101000010101000101100000

漢数字表記:一億二千八百一万二千六百四十

素因数分解:

2 5 × 3 1 × 5 1 × 7 1 × 31 1 × 1229 1

素因数の和:1285
約数の個数: 192
約数和(自身を含む): 476098560
約数和(自身を除く): 348085920

約数列:
[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 31, 32, 35, 40, 42, 48, 56, 60, 62, 70, 80, 84, 93, 96, 105, 112, 120, 124, 140, 155, 160, 168, 186, 210, 217, 224, 240, 248, 280, 310, 336, 372, 420, 434, 465, 480, 496, 560, 620, 651, 672, 744, 840, 868, 930, 992, 1085, 1120, 1229, 1240, 1302, 1488, 1680, 1736, 1860, 2170, 2458, 2480, 2604, 2976, 3255, 3360, 3472, 3687, 3720, 4340, 4916, 4960, 5208, 6145, 6510, 6944, 7374, 7440, 8603, 8680, 9832, 10416, 12290, 13020, 14748, 14880, 17206, 17360, 18435, 19664, 20832, 24580, 25809, 26040, 29496, 34412, 34720, 36870, 38099, 39328, 43015, 49160, 51618, 52080, 58992, 68824, 73740, 76198, 86030, 98320, 103236, 104160, 114297, 117984, 129045, 137648, 147480, 152396, 172060, 190495, 196640, 206472, 228594, 258090, 266693, 275296, 294960, 304792, 344120, 380990, 412944, 457188, 516180, 533386, 571485, 589920, 609584, 688240, 761980, 800079, 825888, 914376, 1032360, 1066772, 1142970, 1219168, 1333465, 1376480, 1523960, 1600158, 1828752, 2064720, 2133544, 2285940, 2666930, 3047920, 3200316, 3657504, 4000395, 4129440, 4267088, 4571880, 5333860, 6095840, 6400632, 8000790, 8534176, 9143760, 10667720, 12801264, 16001580, 18287520, 21335440, 25602528, 32003160, 42670880, 64006320, 128012640]

約数ペア:
[(1, 128012640), (2, 64006320), (3, 42670880), (4, 32003160), (5, 25602528), (6, 21335440), (7, 18287520), (8, 16001580), (10, 12801264), (12, 10667720), (14, 9143760), (15, 8534176), (16, 8000790), (20, 6400632), (21, 6095840), (24, 5333860), (28, 4571880), (30, 4267088), (31, 4129440), (32, 4000395), (35, 3657504), (40, 3200316), (42, 3047920), (48, 2666930), (56, 2285940), (60, 2133544), (62, 2064720), (70, 1828752), (80, 1600158), (84, 1523960), (93, 1376480), (96, 1333465), (105, 1219168), (112, 1142970), (120, 1066772), (124, 1032360), (140, 914376), (155, 825888), (160, 800079), (168, 761980), (186, 688240), (210, 609584), (217, 589920), (224, 571485), (240, 533386), (248, 516180), (280, 457188), (310, 412944), (336, 380990), (372, 344120), (420, 304792), (434, 294960), (465, 275296), (480, 266693), (496, 258090), (560, 228594), (620, 206472), (651, 196640), (672, 190495), (744, 172060), (840, 152396), (868, 147480), (930, 137648), (992, 129045), (1085, 117984), (1120, 114297), (1229, 104160), (1240, 103236), (1302, 98320), (1488, 86030), (1680, 76198), (1736, 73740), (1860, 68824), (2170, 58992), (2458, 52080), (2480, 51618), (2604, 49160), (2976, 43015), (3255, 39328), (3360, 38099), (3472, 36870), (3687, 34720), (3720, 34412), (4340, 29496), (4916, 26040), (4960, 25809), (5208, 24580), (6145, 20832), (6510, 19664), (6944, 18435), (7374, 17360), (7440, 17206), (8603, 14880), (8680, 14748), (9832, 13020), (10416, 12290)]

このpageの処理時間: 0.11191177368164062 seconds