66477440

素因数分解:

$2^7\times 5^1\times {\mathrm{241}}^1\times {\mathrm{431}}^1$

素因数の和:691

約数の個数: 64

約数和(自身を含む): 159952320

約数和(自身を除く): 93474880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 241, 320, 431, 482, 640, 862, 964, 1205, 1724, 1928, 2155, 2410, 3448, 3856, 4310, 4820, 6896, 7712, 8620, 9640, 13792, 15424, 17240, 19280, 27584, 30848, 34480, 38560, 55168, 68960, 77120, 103871, 137920, 154240, 207742, 275840, 415484, 519355, 830968, 1038710, 1661936, 2077420, 3323872, 4154840, 6647744, 8309680, 13295488, 16619360, 33238720, 66477440]

約数ペア:

[(1, 66477440), (2, 33238720), (4, 16619360), (5, 13295488), (8, 8309680), (10, 6647744), (16, 4154840), (20, 3323872), (32, 2077420), (40, 1661936), (64, 1038710), (80, 830968), (128, 519355), (160, 415484), (241, 275840), (320, 207742), (431, 154240), (482, 137920), (640, 103871), (862, 77120), (964, 68960), (1205, 55168), (1724, 38560), (1928, 34480), (2155, 30848), (2410, 27584), (3448, 19280), (3856, 17240), (4310, 15424), (4820, 13792), (6896, 9640), (7712, 8620)]