87310725

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^2$

素因数の和:155

約数の個数: 72

約数和(自身を含む): 161203968

約数和(自身を除く): 73893243

約数列:

[1, 3, 5, 15, 17, 25, 31, 47, 51, 75, 85, 93, 141, 155, 235, 255, 425, 465, 527, 705, 775, 799, 1175, 1275, 1457, 1581, 2209, 2325, 2397, 2635, 3525, 3995, 4371, 6627, 7285, 7905, 11045, 11985, 13175, 19975, 21855, 24769, 33135, 36425, 37553, 39525, 55225, 59925, 68479, 74307, 109275, 112659, 123845, 165675, 187765, 205437, 342395, 371535, 563295, 619225, 938825, 1027185, 1164143, 1711975, 1857675, 2816475, 3492429, 5135925, 5820715, 17462145, 29103575, 87310725]

約数ペア:

[(1, 87310725), (3, 29103575), (5, 17462145), (15, 5820715), (17, 5135925), (25, 3492429), (31, 2816475), (47, 1857675), (51, 1711975), (75, 1164143), (85, 1027185), (93, 938825), (141, 619225), (155, 563295), (235, 371535), (255, 342395), (425, 205437), (465, 187765), (527, 165675), (705, 123845), (775, 112659), (799, 109275), (1175, 74307), (1275, 68479), (1457, 59925), (1581, 55225), (2209, 39525), (2325, 37553), (2397, 36425), (2635, 33135), (3525, 24769), (3995, 21855), (4371, 19975), (6627, 13175), (7285, 11985), (7905, 11045)]