61440015

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1$

素因数の和:173

約数の個数: 128

約数和(自身を含む): 134184960

約数和(自身を除く): 72744945

約数列:

[1, 3, 5, 7, 13, 15, 19, 21, 23, 35, 39, 57, 65, 69, 91, 95, 103, 105, 115, 133, 161, 195, 247, 273, 285, 299, 309, 345, 399, 437, 455, 483, 515, 665, 721, 741, 805, 897, 1235, 1311, 1339, 1365, 1495, 1545, 1729, 1957, 1995, 2093, 2163, 2185, 2369, 2415, 3059, 3605, 3705, 4017, 4485, 5187, 5681, 5871, 6279, 6555, 6695, 7107, 8645, 9177, 9373, 9785, 10465, 10815, 11845, 13699, 15295, 16583, 17043, 20085, 25441, 25935, 28119, 28405, 29355, 30797, 31395, 35535, 39767, 41097, 45011, 45885, 46865, 49749, 68495, 76323, 82915, 85215, 92391, 119301, 127205, 135033, 140595, 153985, 178087, 198835, 205485, 215579, 225055, 248745, 315077, 381615, 461955, 534261, 585143, 596505, 646737, 675165, 890435, 945231, 1077895, 1575385, 1755429, 2671305, 2925715, 3233685, 4096001, 4726155, 8777145, 12288003, 20480005, 61440015]

約数ペア:

[(1, 61440015), (3, 20480005), (5, 12288003), (7, 8777145), (13, 4726155), (15, 4096001), (19, 3233685), (21, 2925715), (23, 2671305), (35, 1755429), (39, 1575385), (57, 1077895), (65, 945231), (69, 890435), (91, 675165), (95, 646737), (103, 596505), (105, 585143), (115, 534261), (133, 461955), (161, 381615), (195, 315077), (247, 248745), (273, 225055), (285, 215579), (299, 205485), (309, 198835), (345, 178087), (399, 153985), (437, 140595), (455, 135033), (483, 127205), (515, 119301), (665, 92391), (721, 85215), (741, 82915), (805, 76323), (897, 68495), (1235, 49749), (1311, 46865), (1339, 45885), (1365, 45011), (1495, 41097), (1545, 39767), (1729, 35535), (1957, 31395), (1995, 30797), (2093, 29355), (2163, 28405), (2185, 28119), (2369, 25935), (2415, 25441), (3059, 20085), (3605, 17043), (3705, 16583), (4017, 15295), (4485, 13699), (5187, 11845), (5681, 10815), (5871, 10465), (6279, 9785), (6555, 9373), (6695, 9177), (7107, 8645)]