280161180

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{251}}^1$

素因数の和:338

約数の個数: 240

約数和(自身を含む): 968181984

約数和(自身を除く): 688020804

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 53, 54, 60, 65, 78, 81, 90, 106, 108, 117, 130, 135, 156, 159, 162, 180, 195, 212, 234, 251, 260, 265, 270, 318, 324, 351, 390, 405, 468, 477, 502, 530, 540, 585, 636, 689, 702, 753, 780, 795, 810, 954, 1004, 1053, 1060, 1170, 1255, 1378, 1404, 1431, 1506, 1590, 1620, 1755, 1908, 2067, 2106, 2259, 2340, 2385, 2510, 2756, 2862, 3012, 3180, 3263, 3445, 3510, 3765, 4134, 4212, 4293, 4518, 4770, 5020, 5265, 5724, 6201, 6526, 6777, 6890, 7020, 7155, 7530, 8268, 8586, 9036, 9540, 9789, 10335, 10530, 11295, 12402, 13052, 13303, 13554, 13780, 14310, 15060, 16315, 17172, 18603, 19578, 20331, 20670, 21060, 21465, 22590, 24804, 26606, 27108, 28620, 29367, 31005, 32630, 33885, 37206, 39156, 39909, 40662, 41340, 42930, 45180, 48945, 53212, 55809, 58734, 62010, 65260, 66515, 67770, 74412, 79818, 81324, 85860, 88101, 93015, 97890, 101655, 111618, 117468, 119727, 124020, 133030, 135540, 146835, 159636, 172939, 176202, 186030, 195780, 199545, 203310, 223236, 239454, 264303, 266060, 279045, 293670, 345878, 352404, 359181, 372060, 399090, 406620, 440505, 478908, 518817, 528606, 558090, 587340, 598635, 691756, 718362, 798180, 864695, 881010, 1037634, 1057212, 1077543, 1116180, 1197270, 1321515, 1436724, 1556451, 1729390, 1762020, 1795905, 2075268, 2155086, 2394540, 2594085, 2643030, 3112902, 3458780, 3591810, 4310172, 4669353, 5188170, 5286060, 5387715, 6225804, 7183620, 7782255, 9338706, 10376340, 10775430, 14008059, 15564510, 18677412, 21550860, 23346765, 28016118, 31129020, 46693530, 56032236, 70040295, 93387060, 140080590, 280161180]

約数ペア:

[(1, 280161180), (2, 140080590), (3, 93387060), (4, 70040295), (5, 56032236), (6, 46693530), (9, 31129020), (10, 28016118), (12, 23346765), (13, 21550860), (15, 18677412), (18, 15564510), (20, 14008059), (26, 10775430), (27, 10376340), (30, 9338706), (36, 7782255), (39, 7183620), (45, 6225804), (52, 5387715), (53, 5286060), (54, 5188170), (60, 4669353), (65, 4310172), (78, 3591810), (81, 3458780), (90, 3112902), (106, 2643030), (108, 2594085), (117, 2394540), (130, 2155086), (135, 2075268), (156, 1795905), (159, 1762020), (162, 1729390), (180, 1556451), (195, 1436724), (212, 1321515), (234, 1197270), (251, 1116180), (260, 1077543), (265, 1057212), (270, 1037634), (318, 881010), (324, 864695), (351, 798180), (390, 718362), (405, 691756), (468, 598635), (477, 587340), (502, 558090), (530, 528606), (540, 518817), (585, 478908), (636, 440505), (689, 406620), (702, 399090), (753, 372060), (780, 359181), (795, 352404), (810, 345878), (954, 293670), (1004, 279045), (1053, 266060), (1060, 264303), (1170, 239454), (1255, 223236), (1378, 203310), (1404, 199545), (1431, 195780), (1506, 186030), (1590, 176202), (1620, 172939), (1755, 159636), (1908, 146835), (2067, 135540), (2106, 133030), (2259, 124020), (2340, 119727), (2385, 117468), (2510, 111618), (2756, 101655), (2862, 97890), (3012, 93015), (3180, 88101), (3263, 85860), (3445, 81324), (3510, 79818), (3765, 74412), (4134, 67770), (4212, 66515), (4293, 65260), (4518, 62010), (4770, 58734), (5020, 55809), (5265, 53212), (5724, 48945), (6201, 45180), (6526, 42930), (6777, 41340), (6890, 40662), (7020, 39909), (7155, 39156), (7530, 37206), (8268, 33885), (8586, 32630), (9036, 31005), (9540, 29367), (9789, 28620), (10335, 27108), (10530, 26606), (11295, 24804), (12402, 22590), (13052, 21465), (13303, 21060), (13554, 20670), (13780, 20331), (14310, 19578), (15060, 18603), (16315, 17172)]