42684640

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^2\times {\mathrm{739}}^1$

素因数の和:792

約数の個数: 72

約数和(自身を含む): 106573320

約数和(自身を除く): 63888680

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 361, 380, 608, 722, 739, 760, 1444, 1478, 1520, 1805, 2888, 2956, 3040, 3610, 3695, 5776, 5912, 7220, 7390, 11552, 11824, 14041, 14440, 14780, 23648, 28082, 28880, 29560, 56164, 57760, 59120, 70205, 112328, 118240, 140410, 224656, 266779, 280820, 449312, 533558, 561640, 1067116, 1123280, 1333895, 2134232, 2246560, 2667790, 4268464, 5335580, 8536928, 10671160, 21342320, 42684640]

約数ペア:

[(1, 42684640), (2, 21342320), (4, 10671160), (5, 8536928), (8, 5335580), (10, 4268464), (16, 2667790), (19, 2246560), (20, 2134232), (32, 1333895), (38, 1123280), (40, 1067116), (76, 561640), (80, 533558), (95, 449312), (152, 280820), (160, 266779), (190, 224656), (304, 140410), (361, 118240), (380, 112328), (608, 70205), (722, 59120), (739, 57760), (760, 56164), (1444, 29560), (1478, 28880), (1520, 28082), (1805, 23648), (2888, 14780), (2956, 14440), (3040, 14041), (3610, 11824), (3695, 11552), (5776, 7390), (5912, 7220)]