68718780

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{251}}^1$

素因数の和:298

約数の個数: 180

約数和(自身を含む): 234361512

約数和(自身を除く): 165642732

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 81, 90, 108, 117, 130, 135, 156, 162, 169, 180, 195, 234, 251, 260, 270, 324, 338, 351, 390, 405, 468, 502, 507, 540, 585, 676, 702, 753, 780, 810, 845, 1004, 1014, 1053, 1170, 1255, 1404, 1506, 1521, 1620, 1690, 1755, 2028, 2106, 2259, 2340, 2510, 2535, 3012, 3042, 3263, 3380, 3510, 3765, 4212, 4518, 4563, 5020, 5070, 5265, 6084, 6526, 6777, 7020, 7530, 7605, 9036, 9126, 9789, 10140, 10530, 11295, 13052, 13554, 13689, 15060, 15210, 16315, 18252, 19578, 20331, 21060, 22590, 22815, 27108, 27378, 29367, 30420, 32630, 33885, 39156, 40662, 42419, 45180, 45630, 48945, 54756, 58734, 65260, 67770, 68445, 81324, 84838, 88101, 91260, 97890, 101655, 117468, 127257, 135540, 136890, 146835, 169676, 176202, 195780, 203310, 212095, 254514, 264303, 273780, 293670, 352404, 381771, 406620, 424190, 440505, 509028, 528606, 587340, 636285, 763542, 848380, 881010, 1057212, 1145313, 1272570, 1321515, 1527084, 1762020, 1908855, 2290626, 2545140, 2643030, 3435939, 3817710, 4581252, 5286060, 5726565, 6871878, 7635420, 11453130, 13743756, 17179695, 22906260, 34359390, 68718780]

約数ペア:

[(1, 68718780), (2, 34359390), (3, 22906260), (4, 17179695), (5, 13743756), (6, 11453130), (9, 7635420), (10, 6871878), (12, 5726565), (13, 5286060), (15, 4581252), (18, 3817710), (20, 3435939), (26, 2643030), (27, 2545140), (30, 2290626), (36, 1908855), (39, 1762020), (45, 1527084), (52, 1321515), (54, 1272570), (60, 1145313), (65, 1057212), (78, 881010), (81, 848380), (90, 763542), (108, 636285), (117, 587340), (130, 528606), (135, 509028), (156, 440505), (162, 424190), (169, 406620), (180, 381771), (195, 352404), (234, 293670), (251, 273780), (260, 264303), (270, 254514), (324, 212095), (338, 203310), (351, 195780), (390, 176202), (405, 169676), (468, 146835), (502, 136890), (507, 135540), (540, 127257), (585, 117468), (676, 101655), (702, 97890), (753, 91260), (780, 88101), (810, 84838), (845, 81324), (1004, 68445), (1014, 67770), (1053, 65260), (1170, 58734), (1255, 54756), (1404, 48945), (1506, 45630), (1521, 45180), (1620, 42419), (1690, 40662), (1755, 39156), (2028, 33885), (2106, 32630), (2259, 30420), (2340, 29367), (2510, 27378), (2535, 27108), (3012, 22815), (3042, 22590), (3263, 21060), (3380, 20331), (3510, 19578), (3765, 18252), (4212, 16315), (4518, 15210), (4563, 15060), (5020, 13689), (5070, 13554), (5265, 13052), (6084, 11295), (6526, 10530), (6777, 10140), (7020, 9789), (7530, 9126), (7605, 9036)]