30723875

素因数分解:

$5^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1$

素因数の和:145

約数の個数: 64

約数和(自身を含む): 49131264

約数和(自身を除く): 18407389

約数列:

[1, 5, 7, 13, 25, 35, 37, 65, 73, 91, 125, 175, 185, 259, 325, 365, 455, 481, 511, 875, 925, 949, 1295, 1625, 1825, 2275, 2405, 2555, 2701, 3367, 4625, 4745, 6475, 6643, 9125, 11375, 12025, 12775, 13505, 16835, 18907, 23725, 32375, 33215, 35113, 60125, 63875, 67525, 84175, 94535, 118625, 166075, 175565, 245791, 337625, 420875, 472675, 830375, 877825, 1228955, 2363375, 4389125, 6144775, 30723875]

約数ペア:

[(1, 30723875), (5, 6144775), (7, 4389125), (13, 2363375), (25, 1228955), (35, 877825), (37, 830375), (65, 472675), (73, 420875), (91, 337625), (125, 245791), (175, 175565), (185, 166075), (259, 118625), (325, 94535), (365, 84175), (455, 67525), (481, 63875), (511, 60125), (875, 35113), (925, 33215), (949, 32375), (1295, 23725), (1625, 18907), (1825, 16835), (2275, 13505), (2405, 12775), (2555, 12025), (2701, 11375), (3367, 9125), (4625, 6643), (4745, 6475)]