170218720

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{421}}^1$

素因数の和:481

約数の個数: 144

約数和(自身を含む): 486204768

約数和(自身を除く): 315986048

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 160, 190, 224, 266, 280, 304, 361, 380, 421, 532, 560, 608, 665, 722, 760, 842, 1064, 1120, 1330, 1444, 1520, 1684, 1805, 2105, 2128, 2527, 2660, 2888, 2947, 3040, 3368, 3610, 4210, 4256, 5054, 5320, 5776, 5894, 6736, 7220, 7999, 8420, 10108, 10640, 11552, 11788, 12635, 13472, 14440, 14735, 15998, 16840, 20216, 21280, 23576, 25270, 28880, 29470, 31996, 33680, 39995, 40432, 47152, 50540, 55993, 57760, 58940, 63992, 67360, 79990, 80864, 94304, 101080, 111986, 117880, 127984, 151981, 159980, 202160, 223972, 235760, 255968, 279965, 303962, 319960, 404320, 447944, 471520, 559930, 607924, 639920, 759905, 895888, 1063867, 1119860, 1215848, 1279840, 1519810, 1791776, 2127734, 2239720, 2431696, 3039620, 4255468, 4479440, 4863392, 5319335, 6079240, 8510936, 8958880, 10638670, 12158480, 17021872, 21277340, 24316960, 34043744, 42554680, 85109360, 170218720]

約数ペア:

[(1, 170218720), (2, 85109360), (4, 42554680), (5, 34043744), (7, 24316960), (8, 21277340), (10, 17021872), (14, 12158480), (16, 10638670), (19, 8958880), (20, 8510936), (28, 6079240), (32, 5319335), (35, 4863392), (38, 4479440), (40, 4255468), (56, 3039620), (70, 2431696), (76, 2239720), (80, 2127734), (95, 1791776), (112, 1519810), (133, 1279840), (140, 1215848), (152, 1119860), (160, 1063867), (190, 895888), (224, 759905), (266, 639920), (280, 607924), (304, 559930), (361, 471520), (380, 447944), (421, 404320), (532, 319960), (560, 303962), (608, 279965), (665, 255968), (722, 235760), (760, 223972), (842, 202160), (1064, 159980), (1120, 151981), (1330, 127984), (1444, 117880), (1520, 111986), (1684, 101080), (1805, 94304), (2105, 80864), (2128, 79990), (2527, 67360), (2660, 63992), (2888, 58940), (2947, 57760), (3040, 55993), (3368, 50540), (3610, 47152), (4210, 40432), (4256, 39995), (5054, 33680), (5320, 31996), (5776, 29470), (5894, 28880), (6736, 25270), (7220, 23576), (7999, 21280), (8420, 20216), (10108, 16840), (10640, 15998), (11552, 14735), (11788, 14440), (12635, 13472)]