71671040

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{421}}^1$

素因数の和:468

約数の個数: 144

約数和(自身を含む): 207016320

約数和(自身を除く): 135345280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 64, 70, 76, 80, 95, 112, 128, 133, 140, 152, 160, 190, 224, 256, 266, 280, 304, 320, 380, 421, 448, 532, 560, 608, 640, 665, 760, 842, 896, 1064, 1120, 1216, 1280, 1330, 1520, 1684, 1792, 2105, 2128, 2240, 2432, 2660, 2947, 3040, 3368, 4210, 4256, 4480, 4864, 5320, 5894, 6080, 6736, 7999, 8420, 8512, 8960, 10640, 11788, 12160, 13472, 14735, 15998, 16840, 17024, 21280, 23576, 24320, 26944, 29470, 31996, 33680, 34048, 39995, 42560, 47152, 53888, 55993, 58940, 63992, 67360, 79990, 85120, 94304, 107776, 111986, 117880, 127984, 134720, 159980, 170240, 188608, 223972, 235760, 255968, 269440, 279965, 319960, 377216, 447944, 471520, 511936, 538880, 559930, 639920, 754432, 895888, 943040, 1023872, 1119860, 1279840, 1791776, 1886080, 2047744, 2239720, 2559680, 3583552, 3772160, 4479440, 5119360, 7167104, 8958880, 10238720, 14334208, 17917760, 35835520, 71671040]

約数ペア:

[(1, 71671040), (2, 35835520), (4, 17917760), (5, 14334208), (7, 10238720), (8, 8958880), (10, 7167104), (14, 5119360), (16, 4479440), (19, 3772160), (20, 3583552), (28, 2559680), (32, 2239720), (35, 2047744), (38, 1886080), (40, 1791776), (56, 1279840), (64, 1119860), (70, 1023872), (76, 943040), (80, 895888), (95, 754432), (112, 639920), (128, 559930), (133, 538880), (140, 511936), (152, 471520), (160, 447944), (190, 377216), (224, 319960), (256, 279965), (266, 269440), (280, 255968), (304, 235760), (320, 223972), (380, 188608), (421, 170240), (448, 159980), (532, 134720), (560, 127984), (608, 117880), (640, 111986), (665, 107776), (760, 94304), (842, 85120), (896, 79990), (1064, 67360), (1120, 63992), (1216, 58940), (1280, 55993), (1330, 53888), (1520, 47152), (1684, 42560), (1792, 39995), (2105, 34048), (2128, 33680), (2240, 31996), (2432, 29470), (2660, 26944), (2947, 24320), (3040, 23576), (3368, 21280), (4210, 17024), (4256, 16840), (4480, 15998), (4864, 14735), (5320, 13472), (5894, 12160), (6080, 11788), (6736, 10640), (7999, 8960), (8420, 8512)]