68018580

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{1459}}^1$

素因数の和:1518

約数の個数: 144

約数和(自身を含む): 242336640

約数和(自身を除く): 174318060

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 37, 42, 45, 60, 63, 70, 74, 84, 90, 105, 111, 126, 140, 148, 180, 185, 210, 222, 252, 259, 315, 333, 370, 420, 444, 518, 555, 630, 666, 740, 777, 1036, 1110, 1260, 1295, 1332, 1459, 1554, 1665, 2220, 2331, 2590, 2918, 3108, 3330, 3885, 4377, 4662, 5180, 5836, 6660, 7295, 7770, 8754, 9324, 10213, 11655, 13131, 14590, 15540, 17508, 20426, 21885, 23310, 26262, 29180, 30639, 40852, 43770, 46620, 51065, 52524, 53983, 61278, 65655, 87540, 91917, 102130, 107966, 122556, 131310, 153195, 161949, 183834, 204260, 215932, 262620, 269915, 306390, 323898, 367668, 377881, 459585, 485847, 539830, 612780, 647796, 755762, 809745, 919170, 971694, 1079660, 1133643, 1511524, 1619490, 1838340, 1889405, 1943388, 2267286, 2429235, 3238980, 3400929, 3778810, 4534572, 4858470, 5668215, 6801858, 7557620, 9716940, 11336430, 13603716, 17004645, 22672860, 34009290, 68018580]

約数ペア:

[(1, 68018580), (2, 34009290), (3, 22672860), (4, 17004645), (5, 13603716), (6, 11336430), (7, 9716940), (9, 7557620), (10, 6801858), (12, 5668215), (14, 4858470), (15, 4534572), (18, 3778810), (20, 3400929), (21, 3238980), (28, 2429235), (30, 2267286), (35, 1943388), (36, 1889405), (37, 1838340), (42, 1619490), (45, 1511524), (60, 1133643), (63, 1079660), (70, 971694), (74, 919170), (84, 809745), (90, 755762), (105, 647796), (111, 612780), (126, 539830), (140, 485847), (148, 459585), (180, 377881), (185, 367668), (210, 323898), (222, 306390), (252, 269915), (259, 262620), (315, 215932), (333, 204260), (370, 183834), (420, 161949), (444, 153195), (518, 131310), (555, 122556), (630, 107966), (666, 102130), (740, 91917), (777, 87540), (1036, 65655), (1110, 61278), (1260, 53983), (1295, 52524), (1332, 51065), (1459, 46620), (1554, 43770), (1665, 40852), (2220, 30639), (2331, 29180), (2590, 26262), (2918, 23310), (3108, 21885), (3330, 20426), (3885, 17508), (4377, 15540), (4662, 14590), (5180, 13131), (5836, 11655), (6660, 10213), (7295, 9324), (7770, 8754)]