16943360

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:120

約数の個数: 144

約数和(自身を含む): 48663552

約数和(自身を除く): 31720192

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 61, 62, 64, 70, 80, 112, 122, 124, 128, 140, 155, 160, 217, 224, 244, 248, 256, 280, 305, 310, 320, 427, 434, 448, 488, 496, 560, 610, 620, 640, 854, 868, 896, 976, 992, 1085, 1120, 1220, 1240, 1280, 1708, 1736, 1792, 1891, 1952, 1984, 2135, 2170, 2240, 2440, 2480, 3416, 3472, 3782, 3904, 3968, 4270, 4340, 4480, 4880, 4960, 6832, 6944, 7564, 7808, 7936, 8540, 8680, 8960, 9455, 9760, 9920, 13237, 13664, 13888, 15128, 15616, 17080, 17360, 18910, 19520, 19840, 26474, 27328, 27776, 30256, 34160, 34720, 37820, 39040, 39680, 52948, 54656, 55552, 60512, 66185, 68320, 69440, 75640, 78080, 105896, 109312, 121024, 132370, 136640, 138880, 151280, 211792, 242048, 264740, 273280, 277760, 302560, 423584, 484096, 529480, 546560, 605120, 847168, 1058960, 1210240, 1694336, 2117920, 2420480, 3388672, 4235840, 8471680, 16943360]

約数ペア:

[(1, 16943360), (2, 8471680), (4, 4235840), (5, 3388672), (7, 2420480), (8, 2117920), (10, 1694336), (14, 1210240), (16, 1058960), (20, 847168), (28, 605120), (31, 546560), (32, 529480), (35, 484096), (40, 423584), (56, 302560), (61, 277760), (62, 273280), (64, 264740), (70, 242048), (80, 211792), (112, 151280), (122, 138880), (124, 136640), (128, 132370), (140, 121024), (155, 109312), (160, 105896), (217, 78080), (224, 75640), (244, 69440), (248, 68320), (256, 66185), (280, 60512), (305, 55552), (310, 54656), (320, 52948), (427, 39680), (434, 39040), (448, 37820), (488, 34720), (496, 34160), (560, 30256), (610, 27776), (620, 27328), (640, 26474), (854, 19840), (868, 19520), (896, 18910), (976, 17360), (992, 17080), (1085, 15616), (1120, 15128), (1220, 13888), (1240, 13664), (1280, 13237), (1708, 9920), (1736, 9760), (1792, 9455), (1891, 8960), (1952, 8680), (1984, 8540), (2135, 7936), (2170, 7808), (2240, 7564), (2440, 6944), (2480, 6832), (3416, 4960), (3472, 4880), (3782, 4480), (3904, 4340), (3968, 4270)]