About the Number

128885445

128885444 ← → 128885446

2進数表記:111101011101010001011000101

漢数字表記:一億二千八百八十八万五千四百四十五

素因数分解:

3 3 × 5 1 × 13 1 × 23 1 × 31 1 × 103 1

素因数の和:184
約数の個数: 128
約数和(自身を含む): 268369920
約数和(自身を除く): 139484475

約数列:
[1, 3, 5, 9, 13, 15, 23, 27, 31, 39, 45, 65, 69, 93, 103, 115, 117, 135, 155, 195, 207, 279, 299, 309, 345, 351, 403, 465, 515, 585, 621, 713, 837, 897, 927, 1035, 1209, 1339, 1395, 1495, 1545, 1755, 2015, 2139, 2369, 2691, 2781, 3105, 3193, 3565, 3627, 4017, 4185, 4485, 4635, 6045, 6417, 6695, 7107, 8073, 9269, 9579, 10695, 10881, 11845, 12051, 13455, 13905, 15965, 18135, 19251, 20085, 21321, 27807, 28737, 30797, 32085, 35535, 36153, 40365, 41509, 46345, 47895, 54405, 60255, 63963, 73439, 83421, 86211, 92391, 96255, 106605, 124527, 139035, 143685, 153985, 180765, 207545, 220317, 250263, 277173, 319815, 367195, 373581, 417105, 431055, 461955, 622635, 660951, 831519, 954707, 1101585, 1120743, 1251315, 1385865, 1867905, 1982853, 2864121, 3304755, 4157595, 4773535, 5603715, 8592363, 9914265, 14320605, 25777089, 42961815, 128885445]

約数ペア:
[(1, 128885445), (3, 42961815), (5, 25777089), (9, 14320605), (13, 9914265), (15, 8592363), (23, 5603715), (27, 4773535), (31, 4157595), (39, 3304755), (45, 2864121), (65, 1982853), (69, 1867905), (93, 1385865), (103, 1251315), (115, 1120743), (117, 1101585), (135, 954707), (155, 831519), (195, 660951), (207, 622635), (279, 461955), (299, 431055), (309, 417105), (345, 373581), (351, 367195), (403, 319815), (465, 277173), (515, 250263), (585, 220317), (621, 207545), (713, 180765), (837, 153985), (897, 143685), (927, 139035), (1035, 124527), (1209, 106605), (1339, 96255), (1395, 92391), (1495, 86211), (1545, 83421), (1755, 73439), (2015, 63963), (2139, 60255), (2369, 54405), (2691, 47895), (2781, 46345), (3105, 41509), (3193, 40365), (3565, 36153), (3627, 35535), (4017, 32085), (4185, 30797), (4485, 28737), (4635, 27807), (6045, 21321), (6417, 20085), (6695, 19251), (7107, 18135), (8073, 15965), (9269, 13905), (9579, 13455), (10695, 12051), (10881, 11845)]

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