30387175

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1$

素因数の和:105

約数の個数: 72

約数和(自身を含む): 50267616

約数和(自身を除く): 19880441

約数列:

[1, 5, 7, 13, 19, 25, 35, 37, 65, 91, 95, 133, 175, 185, 247, 259, 325, 361, 455, 475, 481, 665, 703, 925, 1235, 1295, 1729, 1805, 2275, 2405, 2527, 3325, 3367, 3515, 4693, 4921, 6175, 6475, 8645, 9025, 9139, 12025, 12635, 13357, 16835, 17575, 23465, 24605, 32851, 43225, 45695, 63175, 63973, 66785, 84175, 93499, 117325, 123025, 164255, 173641, 228475, 319865, 333925, 467495, 821275, 868205, 1215487, 1599325, 2337475, 4341025, 6077435, 30387175]

約数ペア:

[(1, 30387175), (5, 6077435), (7, 4341025), (13, 2337475), (19, 1599325), (25, 1215487), (35, 868205), (37, 821275), (65, 467495), (91, 333925), (95, 319865), (133, 228475), (175, 173641), (185, 164255), (247, 123025), (259, 117325), (325, 93499), (361, 84175), (455, 66785), (475, 63973), (481, 63175), (665, 45695), (703, 43225), (925, 32851), (1235, 24605), (1295, 23465), (1729, 17575), (1805, 16835), (2275, 13357), (2405, 12635), (2527, 12025), (3325, 9139), (3367, 9025), (3515, 8645), (4693, 6475), (4921, 6175)]