128871870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{2113}}^1$

素因数の和:2249

約数の個数: 64

約数和(自身を含む): 328769280

約数和(自身を除く): 199897410

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 95, 107, 114, 190, 214, 285, 321, 535, 570, 642, 1070, 1605, 2033, 2113, 3210, 4066, 4226, 6099, 6339, 10165, 10565, 12198, 12678, 20330, 21130, 30495, 31695, 40147, 60990, 63390, 80294, 120441, 200735, 226091, 240882, 401470, 452182, 602205, 678273, 1130455, 1204410, 1356546, 2260910, 3391365, 4295729, 6782730, 8591458, 12887187, 21478645, 25774374, 42957290, 64435935, 128871870]

約数ペア:

[(1, 128871870), (2, 64435935), (3, 42957290), (5, 25774374), (6, 21478645), (10, 12887187), (15, 8591458), (19, 6782730), (30, 4295729), (38, 3391365), (57, 2260910), (95, 1356546), (107, 1204410), (114, 1130455), (190, 678273), (214, 602205), (285, 452182), (321, 401470), (535, 240882), (570, 226091), (642, 200735), (1070, 120441), (1605, 80294), (2033, 63390), (2113, 60990), (3210, 40147), (4066, 31695), (4226, 30495), (6099, 21130), (6339, 20330), (10165, 12678), (10565, 12198)]