81430884

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1$

素因数の和:242

約数の個数: 144

約数和(自身を含む): 235872000

約数和(自身を除く): 154441116

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 19, 34, 36, 38, 47, 51, 57, 68, 76, 94, 102, 114, 141, 149, 153, 171, 188, 204, 228, 282, 298, 306, 323, 342, 423, 447, 564, 596, 612, 646, 684, 799, 846, 893, 894, 969, 1292, 1341, 1598, 1692, 1786, 1788, 1938, 2397, 2533, 2679, 2682, 2831, 2907, 3196, 3572, 3876, 4794, 5066, 5358, 5364, 5662, 5814, 7003, 7191, 7599, 8037, 8493, 9588, 10132, 10716, 11324, 11628, 14006, 14382, 15181, 15198, 16074, 16986, 21009, 22797, 25479, 28012, 28764, 30362, 30396, 32148, 33972, 42018, 45543, 45594, 48127, 50958, 60724, 63027, 84036, 91086, 91188, 96254, 101916, 119051, 126054, 133057, 136629, 144381, 182172, 192508, 238102, 252108, 266114, 273258, 288762, 357153, 399171, 433143, 476204, 532228, 546516, 577524, 714306, 798342, 866286, 1071459, 1197513, 1428612, 1596684, 1732572, 2142918, 2261969, 2395026, 4285836, 4523938, 4790052, 6785907, 9047876, 13571814, 20357721, 27143628, 40715442, 81430884]

約数ペア:

[(1, 81430884), (2, 40715442), (3, 27143628), (4, 20357721), (6, 13571814), (9, 9047876), (12, 6785907), (17, 4790052), (18, 4523938), (19, 4285836), (34, 2395026), (36, 2261969), (38, 2142918), (47, 1732572), (51, 1596684), (57, 1428612), (68, 1197513), (76, 1071459), (94, 866286), (102, 798342), (114, 714306), (141, 577524), (149, 546516), (153, 532228), (171, 476204), (188, 433143), (204, 399171), (228, 357153), (282, 288762), (298, 273258), (306, 266114), (323, 252108), (342, 238102), (423, 192508), (447, 182172), (564, 144381), (596, 136629), (612, 133057), (646, 126054), (684, 119051), (799, 101916), (846, 96254), (893, 91188), (894, 91086), (969, 84036), (1292, 63027), (1341, 60724), (1598, 50958), (1692, 48127), (1786, 45594), (1788, 45543), (1938, 42018), (2397, 33972), (2533, 32148), (2679, 30396), (2682, 30362), (2831, 28764), (2907, 28012), (3196, 25479), (3572, 22797), (3876, 21009), (4794, 16986), (5066, 16074), (5358, 15198), (5364, 15181), (5662, 14382), (5814, 14006), (7003, 11628), (7191, 11324), (7599, 10716), (8037, 10132), (8493, 9588)]