81335568

素因数分解:

$2^4\times 3^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{1163}}^1$

素因数の和:1252

約数の個数: 80

約数和(自身を含む): 221700096

約数和(自身を除く): 140364528

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 47, 48, 62, 93, 94, 124, 141, 186, 188, 248, 282, 372, 376, 496, 564, 744, 752, 1128, 1163, 1457, 1488, 2256, 2326, 2914, 3489, 4371, 4652, 5828, 6978, 8742, 9304, 11656, 13956, 17484, 18608, 23312, 27912, 34968, 36053, 54661, 55824, 69936, 72106, 108159, 109322, 144212, 163983, 216318, 218644, 288424, 327966, 432636, 437288, 576848, 655932, 865272, 874576, 1311864, 1694491, 1730544, 2623728, 3388982, 5083473, 6777964, 10166946, 13555928, 20333892, 27111856, 40667784, 81335568]

約数ペア:

[(1, 81335568), (2, 40667784), (3, 27111856), (4, 20333892), (6, 13555928), (8, 10166946), (12, 6777964), (16, 5083473), (24, 3388982), (31, 2623728), (47, 1730544), (48, 1694491), (62, 1311864), (93, 874576), (94, 865272), (124, 655932), (141, 576848), (186, 437288), (188, 432636), (248, 327966), (282, 288424), (372, 218644), (376, 216318), (496, 163983), (564, 144212), (744, 109322), (752, 108159), (1128, 72106), (1163, 69936), (1457, 55824), (1488, 54661), (2256, 36053), (2326, 34968), (2914, 27912), (3489, 23312), (4371, 18608), (4652, 17484), (5828, 13956), (6978, 11656), (8742, 9304)]