81640692

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1$

素因数の和:238

約数の個数: 144

約数和(自身を含む): 246984192

約数和(自身を除く): 165343500

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 47, 61, 63, 84, 94, 113, 122, 126, 141, 183, 188, 226, 244, 252, 282, 329, 339, 366, 423, 427, 452, 549, 564, 658, 678, 732, 791, 846, 854, 987, 1017, 1098, 1281, 1316, 1356, 1582, 1692, 1708, 1974, 2034, 2196, 2373, 2562, 2867, 2961, 3164, 3843, 3948, 4068, 4746, 5124, 5311, 5734, 5922, 6893, 7119, 7686, 8601, 9492, 10622, 11468, 11844, 13786, 14238, 15372, 15933, 17202, 20069, 20679, 21244, 25803, 27572, 28476, 31866, 34404, 37177, 40138, 41358, 47799, 48251, 51606, 60207, 62037, 63732, 74354, 80276, 82716, 95598, 96502, 103212, 111531, 120414, 124074, 144753, 148708, 180621, 191196, 193004, 223062, 240828, 248148, 289506, 323971, 334593, 361242, 434259, 446124, 579012, 647942, 669186, 722484, 868518, 971913, 1295884, 1338372, 1737036, 1943826, 2267797, 2915739, 3887652, 4535594, 5831478, 6803391, 9071188, 11662956, 13606782, 20410173, 27213564, 40820346, 81640692]

約数ペア:

[(1, 81640692), (2, 40820346), (3, 27213564), (4, 20410173), (6, 13606782), (7, 11662956), (9, 9071188), (12, 6803391), (14, 5831478), (18, 4535594), (21, 3887652), (28, 2915739), (36, 2267797), (42, 1943826), (47, 1737036), (61, 1338372), (63, 1295884), (84, 971913), (94, 868518), (113, 722484), (122, 669186), (126, 647942), (141, 579012), (183, 446124), (188, 434259), (226, 361242), (244, 334593), (252, 323971), (282, 289506), (329, 248148), (339, 240828), (366, 223062), (423, 193004), (427, 191196), (452, 180621), (549, 148708), (564, 144753), (658, 124074), (678, 120414), (732, 111531), (791, 103212), (846, 96502), (854, 95598), (987, 82716), (1017, 80276), (1098, 74354), (1281, 63732), (1316, 62037), (1356, 60207), (1582, 51606), (1692, 48251), (1708, 47799), (1974, 41358), (2034, 40138), (2196, 37177), (2373, 34404), (2562, 31866), (2867, 28476), (2961, 27572), (3164, 25803), (3843, 21244), (3948, 20679), (4068, 20069), (4746, 17202), (5124, 15933), (5311, 15372), (5734, 14238), (5922, 13786), (6893, 11844), (7119, 11468), (7686, 10622), (8601, 9492)]