28790820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{2711}}^1$

素因数の和:2785

約数の個数: 72

約数和(自身を含む): 88845120

約数和(自身を除く): 60054300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 59, 60, 90, 118, 177, 180, 236, 295, 354, 531, 590, 708, 885, 1062, 1180, 1770, 2124, 2655, 2711, 3540, 5310, 5422, 8133, 10620, 10844, 13555, 16266, 24399, 27110, 32532, 40665, 48798, 54220, 81330, 97596, 121995, 159949, 162660, 243990, 319898, 479847, 487980, 639796, 799745, 959694, 1439541, 1599490, 1919388, 2399235, 2879082, 3198980, 4798470, 5758164, 7197705, 9596940, 14395410, 28790820]

約数ペア:

[(1, 28790820), (2, 14395410), (3, 9596940), (4, 7197705), (5, 5758164), (6, 4798470), (9, 3198980), (10, 2879082), (12, 2399235), (15, 1919388), (18, 1599490), (20, 1439541), (30, 959694), (36, 799745), (45, 639796), (59, 487980), (60, 479847), (90, 319898), (118, 243990), (177, 162660), (180, 159949), (236, 121995), (295, 97596), (354, 81330), (531, 54220), (590, 48798), (708, 40665), (885, 32532), (1062, 27110), (1180, 24399), (1770, 16266), (2124, 13555), (2655, 10844), (2711, 10620), (3540, 8133), (5310, 5422)]