81306576

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^3\times {\mathrm{257}}^1$

素因数の和:310

約数の個数: 120

約数和(自身を含む): 247458120

約数和(自身を除く): 166151544

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 72, 78, 104, 117, 144, 156, 169, 208, 234, 257, 312, 338, 468, 507, 514, 624, 676, 771, 936, 1014, 1028, 1352, 1521, 1542, 1872, 2028, 2056, 2197, 2313, 2704, 3042, 3084, 3341, 4056, 4112, 4394, 4626, 6084, 6168, 6591, 6682, 8112, 8788, 9252, 10023, 12168, 12336, 13182, 13364, 17576, 18504, 19773, 20046, 24336, 26364, 26728, 30069, 35152, 37008, 39546, 40092, 43433, 52728, 53456, 60138, 79092, 80184, 86866, 105456, 120276, 130299, 158184, 160368, 173732, 240552, 260598, 316368, 347464, 390897, 481104, 521196, 564629, 694928, 781794, 1042392, 1129258, 1563588, 1693887, 2084784, 2258516, 3127176, 3387774, 4517032, 5081661, 6254352, 6775548, 9034064, 10163322, 13551096, 20326644, 27102192, 40653288, 81306576]

約数ペア:

[(1, 81306576), (2, 40653288), (3, 27102192), (4, 20326644), (6, 13551096), (8, 10163322), (9, 9034064), (12, 6775548), (13, 6254352), (16, 5081661), (18, 4517032), (24, 3387774), (26, 3127176), (36, 2258516), (39, 2084784), (48, 1693887), (52, 1563588), (72, 1129258), (78, 1042392), (104, 781794), (117, 694928), (144, 564629), (156, 521196), (169, 481104), (208, 390897), (234, 347464), (257, 316368), (312, 260598), (338, 240552), (468, 173732), (507, 160368), (514, 158184), (624, 130299), (676, 120276), (771, 105456), (936, 86866), (1014, 80184), (1028, 79092), (1352, 60138), (1521, 53456), (1542, 52728), (1872, 43433), (2028, 40092), (2056, 39546), (2197, 37008), (2313, 35152), (2704, 30069), (3042, 26728), (3084, 26364), (3341, 24336), (4056, 20046), (4112, 19773), (4394, 18504), (4626, 17576), (6084, 13364), (6168, 13182), (6591, 12336), (6682, 12168), (8112, 10023), (8788, 9252)]