8471680

素因数分解:

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

素因数の和:118

約数の個数: 128

約数和(自身を含む): 24284160

約数和(自身を除く): 15812480

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, 280, 305, 310, 320, 427, 434, 448, 488, 496, 560, 610, 620, 640, 854, 868, 896, 976, 992, 1085, 1120, 1220, 1240, 1708, 1736, 1891, 1952, 1984, 2135, 2170, 2240, 2440, 2480, 3416, 3472, 3782, 3904, 3968, 4270, 4340, 4480, 4880, 4960, 6832, 6944, 7564, 7808, 8540, 8680, 9455, 9760, 9920, 13237, 13664, 13888, 15128, 17080, 17360, 18910, 19520, 19840, 26474, 27328, 27776, 30256, 34160, 34720, 37820, 39040, 52948, 54656, 60512, 66185, 68320, 69440, 75640, 105896, 121024, 132370, 136640, 138880, 151280, 211792, 242048, 264740, 273280, 302560, 423584, 529480, 605120, 847168, 1058960, 1210240, 1694336, 2117920, 4235840, 8471680]

約数ペア:

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