68890290

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{839}}^1$

素因数の和:896

約数の個数: 128

約数和(自身を含む): 209018880

約数和(自身を除く): 140128590

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 17, 21, 23, 30, 34, 35, 42, 46, 51, 69, 70, 85, 102, 105, 115, 119, 138, 161, 170, 210, 230, 238, 255, 322, 345, 357, 391, 483, 510, 595, 690, 714, 782, 805, 839, 966, 1173, 1190, 1610, 1678, 1785, 1955, 2346, 2415, 2517, 2737, 3570, 3910, 4195, 4830, 5034, 5474, 5865, 5873, 8211, 8390, 11730, 11746, 12585, 13685, 14263, 16422, 17619, 19297, 25170, 27370, 28526, 29365, 35238, 38594, 41055, 42789, 57891, 58730, 71315, 82110, 85578, 88095, 96485, 99841, 115782, 135079, 142630, 176190, 192970, 199682, 213945, 270158, 289455, 299523, 328049, 405237, 427890, 499205, 578910, 599046, 656098, 675395, 810474, 984147, 998410, 1350790, 1497615, 1640245, 1968294, 2026185, 2296343, 2995230, 3280490, 4052370, 4592686, 4920735, 6889029, 9841470, 11481715, 13778058, 22963430, 34445145, 68890290]

約数ペア:

[(1, 68890290), (2, 34445145), (3, 22963430), (5, 13778058), (6, 11481715), (7, 9841470), (10, 6889029), (14, 4920735), (15, 4592686), (17, 4052370), (21, 3280490), (23, 2995230), (30, 2296343), (34, 2026185), (35, 1968294), (42, 1640245), (46, 1497615), (51, 1350790), (69, 998410), (70, 984147), (85, 810474), (102, 675395), (105, 656098), (115, 599046), (119, 578910), (138, 499205), (161, 427890), (170, 405237), (210, 328049), (230, 299523), (238, 289455), (255, 270158), (322, 213945), (345, 199682), (357, 192970), (391, 176190), (483, 142630), (510, 135079), (595, 115782), (690, 99841), (714, 96485), (782, 88095), (805, 85578), (839, 82110), (966, 71315), (1173, 58730), (1190, 57891), (1610, 42789), (1678, 41055), (1785, 38594), (1955, 35238), (2346, 29365), (2415, 28526), (2517, 27370), (2737, 25170), (3570, 19297), (3910, 17619), (4195, 16422), (4830, 14263), (5034, 13685), (5474, 12585), (5865, 11746), (5873, 11730), (8211, 8390)]