264351880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{31}}^2$

素因数の和:132

約数の個数: 144

約数和(自身を含む): 691902540

約数和(自身を除く): 427550660

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 23, 26, 31, 40, 46, 52, 62, 65, 92, 104, 115, 124, 130, 155, 184, 230, 248, 260, 299, 310, 403, 460, 520, 529, 598, 620, 713, 806, 920, 961, 1058, 1196, 1240, 1426, 1495, 1612, 1922, 2015, 2116, 2392, 2645, 2852, 2990, 3224, 3565, 3844, 4030, 4232, 4805, 5290, 5704, 5980, 6877, 7130, 7688, 8060, 9269, 9610, 10580, 11960, 12493, 13754, 14260, 16120, 16399, 18538, 19220, 21160, 22103, 24986, 27508, 28520, 32798, 34385, 37076, 38440, 44206, 46345, 49972, 55016, 62465, 65596, 68770, 74152, 81995, 88412, 92690, 99944, 110515, 124930, 131192, 137540, 163990, 176824, 185380, 213187, 221030, 249860, 275080, 287339, 327980, 370760, 426374, 442060, 499720, 508369, 574678, 655960, 852748, 884120, 1016738, 1065935, 1149356, 1436695, 1705496, 2033476, 2131870, 2298712, 2541845, 2873390, 4066952, 4263740, 5083690, 5746780, 6608797, 8527480, 10167380, 11493560, 13217594, 20334760, 26435188, 33043985, 52870376, 66087970, 132175940, 264351880]

約数ペア:

[(1, 264351880), (2, 132175940), (4, 66087970), (5, 52870376), (8, 33043985), (10, 26435188), (13, 20334760), (20, 13217594), (23, 11493560), (26, 10167380), (31, 8527480), (40, 6608797), (46, 5746780), (52, 5083690), (62, 4263740), (65, 4066952), (92, 2873390), (104, 2541845), (115, 2298712), (124, 2131870), (130, 2033476), (155, 1705496), (184, 1436695), (230, 1149356), (248, 1065935), (260, 1016738), (299, 884120), (310, 852748), (403, 655960), (460, 574678), (520, 508369), (529, 499720), (598, 442060), (620, 426374), (713, 370760), (806, 327980), (920, 287339), (961, 275080), (1058, 249860), (1196, 221030), (1240, 213187), (1426, 185380), (1495, 176824), (1612, 163990), (1922, 137540), (2015, 131192), (2116, 124930), (2392, 110515), (2645, 99944), (2852, 92690), (2990, 88412), (3224, 81995), (3565, 74152), (3844, 68770), (4030, 65596), (4232, 62465), (4805, 55016), (5290, 49972), (5704, 46345), (5980, 44206), (6877, 38440), (7130, 37076), (7688, 34385), (8060, 32798), (9269, 28520), (9610, 27508), (10580, 24986), (11960, 22103), (12493, 21160), (13754, 19220), (14260, 18538), (16120, 16399)]