17917760

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{421}}^1$

素因数の和:464

約数の個数: 112

約数和(自身を含む): 51450240

約数和(自身を除く): 33532480

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, 133, 140, 152, 160, 190, 224, 266, 280, 304, 320, 380, 421, 448, 532, 560, 608, 665, 760, 842, 1064, 1120, 1216, 1330, 1520, 1684, 2105, 2128, 2240, 2660, 2947, 3040, 3368, 4210, 4256, 5320, 5894, 6080, 6736, 7999, 8420, 8512, 10640, 11788, 13472, 14735, 15998, 16840, 21280, 23576, 26944, 29470, 31996, 33680, 39995, 42560, 47152, 55993, 58940, 63992, 67360, 79990, 94304, 111986, 117880, 127984, 134720, 159980, 188608, 223972, 235760, 255968, 279965, 319960, 447944, 471520, 511936, 559930, 639920, 895888, 943040, 1119860, 1279840, 1791776, 2239720, 2559680, 3583552, 4479440, 8958880, 17917760]

約数ペア:

[(1, 17917760), (2, 8958880), (4, 4479440), (5, 3583552), (7, 2559680), (8, 2239720), (10, 1791776), (14, 1279840), (16, 1119860), (19, 943040), (20, 895888), (28, 639920), (32, 559930), (35, 511936), (38, 471520), (40, 447944), (56, 319960), (64, 279965), (70, 255968), (76, 235760), (80, 223972), (95, 188608), (112, 159980), (133, 134720), (140, 127984), (152, 117880), (160, 111986), (190, 94304), (224, 79990), (266, 67360), (280, 63992), (304, 58940), (320, 55993), (380, 47152), (421, 42560), (448, 39995), (532, 33680), (560, 31996), (608, 29470), (665, 26944), (760, 23576), (842, 21280), (1064, 16840), (1120, 15998), (1216, 14735), (1330, 13472), (1520, 11788), (1684, 10640), (2105, 8512), (2128, 8420), (2240, 7999), (2660, 6736), (2947, 6080), (3040, 5894), (3368, 5320), (4210, 4256)]