15977260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{163}}^1$

素因数の和:227

約数の個数: 72

約数和(自身を含む): 37815120

約数和(自身を除く): 21837860

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 52, 58, 65, 116, 130, 145, 163, 169, 260, 290, 326, 338, 377, 580, 652, 676, 754, 815, 845, 1508, 1630, 1690, 1885, 2119, 3260, 3380, 3770, 4238, 4727, 4901, 7540, 8476, 9454, 9802, 10595, 18908, 19604, 21190, 23635, 24505, 27547, 42380, 47270, 49010, 55094, 61451, 94540, 98020, 110188, 122902, 137735, 245804, 275470, 307255, 550940, 614510, 798863, 1229020, 1597726, 3195452, 3994315, 7988630, 15977260]

約数ペア:

[(1, 15977260), (2, 7988630), (4, 3994315), (5, 3195452), (10, 1597726), (13, 1229020), (20, 798863), (26, 614510), (29, 550940), (52, 307255), (58, 275470), (65, 245804), (116, 137735), (130, 122902), (145, 110188), (163, 98020), (169, 94540), (260, 61451), (290, 55094), (326, 49010), (338, 47270), (377, 42380), (580, 27547), (652, 24505), (676, 23635), (754, 21190), (815, 19604), (845, 18908), (1508, 10595), (1630, 9802), (1690, 9454), (1885, 8476), (2119, 7540), (3260, 4901), (3380, 4727), (3770, 4238)]