28721790

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{59}}^1\times {\mathrm{601}}^1$

素因数の和:679

約数の個数: 80

約数和(自身を含む): 78669360

約数和(自身を除く): 49947570

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 59, 81, 90, 118, 135, 162, 177, 270, 295, 354, 405, 531, 590, 601, 810, 885, 1062, 1202, 1593, 1770, 1803, 2655, 3005, 3186, 3606, 4779, 5310, 5409, 6010, 7965, 9015, 9558, 10818, 15930, 16227, 18030, 23895, 27045, 32454, 35459, 47790, 48681, 54090, 70918, 81135, 97362, 106377, 162270, 177295, 212754, 243405, 319131, 354590, 486810, 531885, 638262, 957393, 1063770, 1595655, 1914786, 2872179, 3191310, 4786965, 5744358, 9573930, 14360895, 28721790]

約数ペア:

[(1, 28721790), (2, 14360895), (3, 9573930), (5, 5744358), (6, 4786965), (9, 3191310), (10, 2872179), (15, 1914786), (18, 1595655), (27, 1063770), (30, 957393), (45, 638262), (54, 531885), (59, 486810), (81, 354590), (90, 319131), (118, 243405), (135, 212754), (162, 177295), (177, 162270), (270, 106377), (295, 97362), (354, 81135), (405, 70918), (531, 54090), (590, 48681), (601, 47790), (810, 35459), (885, 32454), (1062, 27045), (1202, 23895), (1593, 18030), (1770, 16227), (1803, 15930), (2655, 10818), (3005, 9558), (3186, 9015), (3606, 7965), (4779, 6010), (5310, 5409)]