81019224

素因数分解:

$2^3\times 3^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:143

約数の個数: 256

約数和(自身を含む): 274982400

約数和(自身を除く): 193963176

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 13, 18, 22, 24, 26, 27, 33, 36, 39, 43, 44, 52, 54, 61, 66, 72, 78, 86, 88, 99, 104, 108, 117, 122, 129, 132, 143, 156, 172, 183, 198, 216, 234, 244, 258, 264, 286, 297, 312, 344, 351, 366, 387, 396, 429, 468, 473, 488, 516, 549, 559, 572, 594, 671, 702, 732, 774, 792, 793, 858, 936, 946, 1032, 1098, 1118, 1144, 1161, 1188, 1287, 1342, 1404, 1419, 1464, 1548, 1586, 1647, 1677, 1716, 1892, 2013, 2196, 2236, 2322, 2376, 2379, 2574, 2623, 2684, 2808, 2838, 3096, 3172, 3294, 3354, 3432, 3784, 3861, 4026, 4257, 4392, 4472, 4644, 4758, 5031, 5148, 5246, 5368, 5676, 6039, 6149, 6344, 6588, 6708, 7137, 7722, 7869, 8052, 8514, 8723, 9288, 9516, 10062, 10296, 10492, 11352, 12078, 12298, 12771, 13176, 13416, 14274, 15093, 15444, 15738, 16104, 17028, 17446, 18117, 18447, 19032, 20124, 20984, 21411, 23607, 24156, 24596, 25542, 26169, 28548, 28853, 30186, 30888, 31476, 34056, 34099, 34892, 36234, 36894, 40248, 42822, 47214, 48312, 49192, 51084, 52338, 55341, 57096, 57706, 60372, 62952, 68198, 69784, 70821, 72468, 73788, 78507, 85644, 86559, 94428, 102168, 102297, 104676, 110682, 115412, 120744, 136396, 141642, 144936, 147576, 157014, 166023, 171288, 173118, 188856, 204594, 209352, 221364, 230824, 235521, 259677, 272792, 283284, 306891, 314028, 332046, 346236, 375089, 409188, 442728, 471042, 519354, 566568, 613782, 628056, 664092, 692472, 750178, 779031, 818376, 920673, 942084, 1038708, 1125267, 1227564, 1328184, 1500356, 1558062, 1841346, 1884168, 2077416, 2250534, 2455128, 3000712, 3116124, 3375801, 3682692, 4501068, 6232248, 6751602, 7365384, 9002136, 10127403, 13503204, 20254806, 27006408, 40509612, 81019224]

約数ペア:

[(1, 81019224), (2, 40509612), (3, 27006408), (4, 20254806), (6, 13503204), (8, 10127403), (9, 9002136), (11, 7365384), (12, 6751602), (13, 6232248), (18, 4501068), (22, 3682692), (24, 3375801), (26, 3116124), (27, 3000712), (33, 2455128), (36, 2250534), (39, 2077416), (43, 1884168), (44, 1841346), (52, 1558062), (54, 1500356), (61, 1328184), (66, 1227564), (72, 1125267), (78, 1038708), (86, 942084), (88, 920673), (99, 818376), (104, 779031), (108, 750178), (117, 692472), (122, 664092), (129, 628056), (132, 613782), (143, 566568), (156, 519354), (172, 471042), (183, 442728), (198, 409188), (216, 375089), (234, 346236), (244, 332046), (258, 314028), (264, 306891), (286, 283284), (297, 272792), (312, 259677), (344, 235521), (351, 230824), (366, 221364), (387, 209352), (396, 204594), (429, 188856), (468, 173118), (473, 171288), (488, 166023), (516, 157014), (549, 147576), (559, 144936), (572, 141642), (594, 136396), (671, 120744), (702, 115412), (732, 110682), (774, 104676), (792, 102297), (793, 102168), (858, 94428), (936, 86559), (946, 85644), (1032, 78507), (1098, 73788), (1118, 72468), (1144, 70821), (1161, 69784), (1188, 68198), (1287, 62952), (1342, 60372), (1404, 57706), (1419, 57096), (1464, 55341), (1548, 52338), (1586, 51084), (1647, 49192), (1677, 48312), (1716, 47214), (1892, 42822), (2013, 40248), (2196, 36894), (2236, 36234), (2322, 34892), (2376, 34099), (2379, 34056), (2574, 31476), (2623, 30888), (2684, 30186), (2808, 28853), (2838, 28548), (3096, 26169), (3172, 25542), (3294, 24596), (3354, 24156), (3432, 23607), (3784, 21411), (3861, 20984), (4026, 20124), (4257, 19032), (4392, 18447), (4472, 18117), (4644, 17446), (4758, 17028), (5031, 16104), (5148, 15738), (5246, 15444), (5368, 15093), (5676, 14274), (6039, 13416), (6149, 13176), (6344, 12771), (6588, 12298), (6708, 12078), (7137, 11352), (7722, 10492), (7869, 10296), (8052, 10062), (8514, 9516), (8723, 9288)]