80919090

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{59}}^1\times {\mathrm{311}}^1$

素因数の和:397

約数の個数: 144

約数和(自身を含む): 249687360

約数和(自身を除く): 168768270

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 49, 59, 63, 70, 90, 98, 105, 118, 126, 147, 177, 210, 245, 294, 295, 311, 315, 354, 413, 441, 490, 531, 590, 622, 630, 735, 826, 882, 885, 933, 1062, 1239, 1470, 1555, 1770, 1866, 2065, 2177, 2205, 2478, 2655, 2799, 2891, 3110, 3717, 4130, 4354, 4410, 4665, 5310, 5598, 5782, 6195, 6531, 7434, 8673, 9330, 10885, 12390, 13062, 13995, 14455, 15239, 17346, 18349, 18585, 19593, 21770, 26019, 27990, 28910, 30478, 32655, 36698, 37170, 39186, 43365, 45717, 52038, 55047, 65310, 76195, 86730, 91434, 91745, 97965, 110094, 128443, 130095, 137151, 152390, 165141, 183490, 195930, 228585, 256886, 260190, 274302, 275235, 330282, 385329, 457170, 550470, 642215, 685755, 770658, 825705, 899101, 1155987, 1284430, 1371510, 1651410, 1798202, 1926645, 2311974, 2697303, 3853290, 4495505, 5394606, 5779935, 8091909, 8991010, 11559870, 13486515, 16183818, 26973030, 40459545, 80919090]

約数ペア:

[(1, 80919090), (2, 40459545), (3, 26973030), (5, 16183818), (6, 13486515), (7, 11559870), (9, 8991010), (10, 8091909), (14, 5779935), (15, 5394606), (18, 4495505), (21, 3853290), (30, 2697303), (35, 2311974), (42, 1926645), (45, 1798202), (49, 1651410), (59, 1371510), (63, 1284430), (70, 1155987), (90, 899101), (98, 825705), (105, 770658), (118, 685755), (126, 642215), (147, 550470), (177, 457170), (210, 385329), (245, 330282), (294, 275235), (295, 274302), (311, 260190), (315, 256886), (354, 228585), (413, 195930), (441, 183490), (490, 165141), (531, 152390), (590, 137151), (622, 130095), (630, 128443), (735, 110094), (826, 97965), (882, 91745), (885, 91434), (933, 86730), (1062, 76195), (1239, 65310), (1470, 55047), (1555, 52038), (1770, 45717), (1866, 43365), (2065, 39186), (2177, 37170), (2205, 36698), (2478, 32655), (2655, 30478), (2799, 28910), (2891, 27990), (3110, 26019), (3717, 21770), (4130, 19593), (4354, 18585), (4410, 18349), (4665, 17346), (5310, 15239), (5598, 14455), (5782, 13995), (6195, 13062), (6531, 12390), (7434, 10885), (8673, 9330)]