161527519360

素因数分解:

$2^7\times 5^1\times {\mathrm{631}}^1\times {\mathrm{399979}}^1$

素因数の和:400629

約数の個数: 64

約数和(自身を含む): 386764660800

約数和(自身を除く): 225237141440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 631, 640, 1262, 2524, 3155, 5048, 6310, 10096, 12620, 20192, 25240, 40384, 50480, 80768, 100960, 201920, 399979, 403840, 799958, 1599916, 1999895, 3199832, 3999790, 6399664, 7999580, 12799328, 15999160, 25598656, 31998320, 51197312, 63996640, 127993280, 252386749, 255986560, 504773498, 1009546996, 1261933745, 2019093992, 2523867490, 4038187984, 5047734980, 8076375968, 10095469960, 16152751936, 20190939920, 32305503872, 40381879840, 80763759680, 161527519360]

約数ペア:

[(1, 161527519360), (2, 80763759680), (4, 40381879840), (5, 32305503872), (8, 20190939920), (10, 16152751936), (16, 10095469960), (20, 8076375968), (32, 5047734980), (40, 4038187984), (64, 2523867490), (80, 2019093992), (128, 1261933745), (160, 1009546996), (320, 504773498), (631, 255986560), (640, 252386749), (1262, 127993280), (2524, 63996640), (3155, 51197312), (5048, 31998320), (6310, 25598656), (10096, 15999160), (12620, 12799328), (20192, 7999580), (25240, 6399664), (40384, 3999790), (50480, 3199832), (80768, 1999895), (100960, 1599916), (201920, 799958), (399979, 403840)]