68657940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:139

約数の個数: 216

約数和(自身を含む): 235406808

約数和(自身を除く): 166748868

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 37, 39, 45, 52, 60, 61, 65, 74, 78, 90, 111, 117, 122, 130, 148, 156, 169, 180, 183, 185, 195, 222, 234, 244, 260, 305, 333, 338, 366, 370, 390, 444, 468, 481, 507, 549, 555, 585, 610, 666, 676, 732, 740, 780, 793, 845, 915, 962, 1014, 1098, 1110, 1170, 1220, 1332, 1443, 1521, 1586, 1665, 1690, 1830, 1924, 2028, 2196, 2220, 2257, 2340, 2379, 2405, 2535, 2745, 2886, 3042, 3172, 3330, 3380, 3660, 3965, 4329, 4514, 4758, 4810, 5070, 5490, 5772, 6084, 6253, 6660, 6771, 7137, 7215, 7605, 7930, 8658, 9028, 9516, 9620, 10140, 10309, 10980, 11285, 11895, 12506, 13542, 14274, 14430, 15210, 15860, 17316, 18759, 20313, 20618, 21645, 22570, 23790, 25012, 27084, 28548, 28860, 29341, 30420, 30927, 31265, 33855, 35685, 37518, 40626, 41236, 43290, 45140, 47580, 51545, 56277, 58682, 61854, 62530, 67710, 71370, 75036, 81252, 86580, 88023, 92781, 93795, 101565, 103090, 112554, 117364, 123708, 125060, 135420, 142740, 146705, 154635, 176046, 185562, 187590, 203130, 206180, 225108, 264069, 281385, 293410, 309270, 352092, 371124, 375180, 381433, 406260, 440115, 463905, 528138, 562770, 586820, 618540, 762866, 880230, 927810, 1056276, 1125540, 1144299, 1320345, 1525732, 1760460, 1855620, 1907165, 2288598, 2640690, 3432897, 3814330, 4577196, 5281380, 5721495, 6865794, 7628660, 11442990, 13731588, 17164485, 22885980, 34328970, 68657940]

約数ペア:

[(1, 68657940), (2, 34328970), (3, 22885980), (4, 17164485), (5, 13731588), (6, 11442990), (9, 7628660), (10, 6865794), (12, 5721495), (13, 5281380), (15, 4577196), (18, 3814330), (20, 3432897), (26, 2640690), (30, 2288598), (36, 1907165), (37, 1855620), (39, 1760460), (45, 1525732), (52, 1320345), (60, 1144299), (61, 1125540), (65, 1056276), (74, 927810), (78, 880230), (90, 762866), (111, 618540), (117, 586820), (122, 562770), (130, 528138), (148, 463905), (156, 440115), (169, 406260), (180, 381433), (183, 375180), (185, 371124), (195, 352092), (222, 309270), (234, 293410), (244, 281385), (260, 264069), (305, 225108), (333, 206180), (338, 203130), (366, 187590), (370, 185562), (390, 176046), (444, 154635), (468, 146705), (481, 142740), (507, 135420), (549, 125060), (555, 123708), (585, 117364), (610, 112554), (666, 103090), (676, 101565), (732, 93795), (740, 92781), (780, 88023), (793, 86580), (845, 81252), (915, 75036), (962, 71370), (1014, 67710), (1098, 62530), (1110, 61854), (1170, 58682), (1220, 56277), (1332, 51545), (1443, 47580), (1521, 45140), (1586, 43290), (1665, 41236), (1690, 40626), (1830, 37518), (1924, 35685), (2028, 33855), (2196, 31265), (2220, 30927), (2257, 30420), (2340, 29341), (2379, 28860), (2405, 28548), (2535, 27084), (2745, 25012), (2886, 23790), (3042, 22570), (3172, 21645), (3330, 20618), (3380, 20313), (3660, 18759), (3965, 17316), (4329, 15860), (4514, 15210), (4758, 14430), (4810, 14274), (5070, 13542), (5490, 12506), (5772, 11895), (6084, 11285), (6253, 10980), (6660, 10309), (6771, 10140), (7137, 9620), (7215, 9516), (7605, 9028), (7930, 8658)]