About the Number
128912640
2進数表記:111101011110000110100000000
漢数字表記:一億二千八百九十一万二千六百四十
素因数分解:
素因数の和:652
約数の個数: 144
約数和(自身を含む): 419428800
約数和(自身を除く): 290516160
約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 59, 60, 64, 80, 96, 118, 120, 128, 160, 177, 192, 236, 240, 256, 295, 320, 354, 384, 472, 480, 569, 590, 640, 708, 768, 885, 944, 960, 1138, 1180, 1280, 1416, 1707, 1770, 1888, 1920, 2276, 2360, 2832, 2845, 3414, 3540, 3776, 3840, 4552, 4720, 5664, 5690, 6828, 7080, 7552, 8535, 9104, 9440, 11328, 11380, 13656, 14160, 15104, 17070, 18208, 18880, 22656, 22760, 27312, 28320, 33571, 34140, 36416, 37760, 45312, 45520, 54624, 56640, 67142, 68280, 72832, 75520, 91040, 100713, 109248, 113280, 134284, 136560, 145664, 167855, 182080, 201426, 218496, 226560, 268568, 273120, 335710, 364160, 402852, 436992, 503565, 537136, 546240, 671420, 728320, 805704, 1007130, 1074272, 1092480, 1342840, 1611408, 2014260, 2148544, 2184960, 2685680, 3222816, 4028520, 4297088, 5371360, 6445632, 8057040, 8594176, 10742720, 12891264, 16114080, 21485440, 25782528, 32228160, 42970880, 64456320, 128912640]
約数ペア:
[(1, 128912640), (2, 64456320), (3, 42970880), (4, 32228160), (5, 25782528), (6, 21485440), (8, 16114080), (10, 12891264), (12, 10742720), (15, 8594176), (16, 8057040), (20, 6445632), (24, 5371360), (30, 4297088), (32, 4028520), (40, 3222816), (48, 2685680), (59, 2184960), (60, 2148544), (64, 2014260), (80, 1611408), (96, 1342840), (118, 1092480), (120, 1074272), (128, 1007130), (160, 805704), (177, 728320), (192, 671420), (236, 546240), (240, 537136), (256, 503565), (295, 436992), (320, 402852), (354, 364160), (384, 335710), (472, 273120), (480, 268568), (569, 226560), (590, 218496), (640, 201426), (708, 182080), (768, 167855), (885, 145664), (944, 136560), (960, 134284), (1138, 113280), (1180, 109248), (1280, 100713), (1416, 91040), (1707, 75520), (1770, 72832), (1888, 68280), (1920, 67142), (2276, 56640), (2360, 54624), (2832, 45520), (2845, 45312), (3414, 37760), (3540, 36416), (3776, 34140), (3840, 33571), (4552, 28320), (4720, 27312), (5664, 22760), (5690, 22656), (6828, 18880), (7080, 18208), (7552, 17070), (8535, 15104), (9104, 14160), (9440, 13656), (11328, 11380)]このpageの処理時間: 0.18842244148254395 seconds