179957325

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1$

素因数の和:247

約数の個数: 96

約数和(自身を含む): 338549760

約数和(自身を除く): 158592435

約数列:

[1, 3, 5, 15, 17, 25, 29, 31, 51, 75, 85, 87, 93, 145, 155, 157, 255, 425, 435, 465, 471, 493, 527, 725, 775, 785, 899, 1275, 1479, 1581, 2175, 2325, 2355, 2465, 2635, 2669, 2697, 3925, 4495, 4553, 4867, 7395, 7905, 8007, 11775, 12325, 13175, 13345, 13485, 13659, 14601, 15283, 22475, 22765, 24335, 36975, 39525, 40035, 45849, 66725, 67425, 68295, 73005, 76415, 77401, 82739, 113825, 121675, 141143, 200175, 229245, 232203, 248217, 341475, 365025, 382075, 387005, 413695, 423429, 705715, 1146225, 1161015, 1241085, 1935025, 2068475, 2117145, 2399431, 3528575, 5805075, 6205425, 7198293, 10585725, 11997155, 35991465, 59985775, 179957325]

約数ペア:

[(1, 179957325), (3, 59985775), (5, 35991465), (15, 11997155), (17, 10585725), (25, 7198293), (29, 6205425), (31, 5805075), (51, 3528575), (75, 2399431), (85, 2117145), (87, 2068475), (93, 1935025), (145, 1241085), (155, 1161015), (157, 1146225), (255, 705715), (425, 423429), (435, 413695), (465, 387005), (471, 382075), (493, 365025), (527, 341475), (725, 248217), (775, 232203), (785, 229245), (899, 200175), (1275, 141143), (1479, 121675), (1581, 113825), (2175, 82739), (2325, 77401), (2355, 76415), (2465, 73005), (2635, 68295), (2669, 67425), (2697, 66725), (3925, 45849), (4495, 40035), (4553, 39525), (4867, 36975), (7395, 24335), (7905, 22765), (8007, 22475), (11775, 15283), (12325, 14601), (13175, 13659), (13345, 13485)]