12681990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1$

素因数の和:198

約数の個数: 96

約数和(自身を含む): 35212320

約数和(自身を除く): 22530330

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 29, 30, 43, 45, 58, 86, 87, 90, 113, 129, 145, 174, 215, 226, 258, 261, 290, 339, 387, 430, 435, 522, 565, 645, 678, 774, 870, 1017, 1130, 1247, 1290, 1305, 1695, 1935, 2034, 2494, 2610, 3277, 3390, 3741, 3870, 4859, 5085, 6235, 6554, 7482, 9718, 9831, 10170, 11223, 12470, 14577, 16385, 18705, 19662, 22446, 24295, 29154, 29493, 32770, 37410, 43731, 48590, 49155, 56115, 58986, 72885, 87462, 98310, 112230, 140911, 145770, 147465, 218655, 281822, 294930, 422733, 437310, 704555, 845466, 1268199, 1409110, 2113665, 2536398, 4227330, 6340995, 12681990]

約数ペア:

[(1, 12681990), (2, 6340995), (3, 4227330), (5, 2536398), (6, 2113665), (9, 1409110), (10, 1268199), (15, 845466), (18, 704555), (29, 437310), (30, 422733), (43, 294930), (45, 281822), (58, 218655), (86, 147465), (87, 145770), (90, 140911), (113, 112230), (129, 98310), (145, 87462), (174, 72885), (215, 58986), (226, 56115), (258, 49155), (261, 48590), (290, 43731), (339, 37410), (387, 32770), (430, 29493), (435, 29154), (522, 24295), (565, 22446), (645, 19662), (678, 18705), (774, 16385), (870, 14577), (1017, 12470), (1130, 11223), (1247, 10170), (1290, 9831), (1305, 9718), (1695, 7482), (1935, 6554), (2034, 6235), (2494, 5085), (2610, 4859), (3277, 3870), (3390, 3741)]