208181120

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1499}}^1$

素因数の和:1556

約数の個数: 128

約数和(自身を含む): 587520000

約数和(自身を除く): 379338880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 112, 124, 128, 140, 155, 160, 217, 224, 248, 280, 310, 320, 434, 448, 496, 560, 620, 640, 868, 896, 992, 1085, 1120, 1240, 1499, 1736, 1984, 2170, 2240, 2480, 2998, 3472, 3968, 4340, 4480, 4960, 5996, 6944, 7495, 8680, 9920, 10493, 11992, 13888, 14990, 17360, 19840, 20986, 23984, 27776, 29980, 34720, 41972, 46469, 47968, 52465, 59960, 69440, 83944, 92938, 95936, 104930, 119920, 138880, 167888, 185876, 191872, 209860, 232345, 239840, 325283, 335776, 371752, 419720, 464690, 479680, 650566, 671552, 743504, 839440, 929380, 959360, 1301132, 1343104, 1487008, 1626415, 1678880, 1858760, 2602264, 2974016, 3252830, 3357760, 3717520, 5204528, 5948032, 6505660, 6715520, 7435040, 10409056, 13011320, 14870080, 20818112, 26022640, 29740160, 41636224, 52045280, 104090560, 208181120]

約数ペア:

[(1, 208181120), (2, 104090560), (4, 52045280), (5, 41636224), (7, 29740160), (8, 26022640), (10, 20818112), (14, 14870080), (16, 13011320), (20, 10409056), (28, 7435040), (31, 6715520), (32, 6505660), (35, 5948032), (40, 5204528), (56, 3717520), (62, 3357760), (64, 3252830), (70, 2974016), (80, 2602264), (112, 1858760), (124, 1678880), (128, 1626415), (140, 1487008), (155, 1343104), (160, 1301132), (217, 959360), (224, 929380), (248, 839440), (280, 743504), (310, 671552), (320, 650566), (434, 479680), (448, 464690), (496, 419720), (560, 371752), (620, 335776), (640, 325283), (868, 239840), (896, 232345), (992, 209860), (1085, 191872), (1120, 185876), (1240, 167888), (1499, 138880), (1736, 119920), (1984, 104930), (2170, 95936), (2240, 92938), (2480, 83944), (2998, 69440), (3472, 59960), (3968, 52465), (4340, 47968), (4480, 46469), (4960, 41972), (5996, 34720), (6944, 29980), (7495, 27776), (8680, 23984), (9920, 20986), (10493, 19840), (11992, 17360), (13888, 14990)]