155577856

素因数分解:

$2^9\times 7^1\times {\mathrm{83}}^1\times {\mathrm{523}}^1$

素因数の和:631

約数の個数: 80

約数和(自身を含む): 360226944

約数和(自身を除く): 204649088

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 83, 112, 128, 166, 224, 256, 332, 448, 512, 523, 581, 664, 896, 1046, 1162, 1328, 1792, 2092, 2324, 2656, 3584, 3661, 4184, 4648, 5312, 7322, 8368, 9296, 10624, 14644, 16736, 18592, 21248, 29288, 33472, 37184, 42496, 43409, 58576, 66944, 74368, 86818, 117152, 133888, 148736, 173636, 234304, 267776, 297472, 303863, 347272, 468608, 607726, 694544, 937216, 1215452, 1389088, 1874432, 2430904, 2778176, 4861808, 5556352, 9723616, 11112704, 19447232, 22225408, 38894464, 77788928, 155577856]

約数ペア:

[(1, 155577856), (2, 77788928), (4, 38894464), (7, 22225408), (8, 19447232), (14, 11112704), (16, 9723616), (28, 5556352), (32, 4861808), (56, 2778176), (64, 2430904), (83, 1874432), (112, 1389088), (128, 1215452), (166, 937216), (224, 694544), (256, 607726), (332, 468608), (448, 347272), (512, 303863), (523, 297472), (581, 267776), (664, 234304), (896, 173636), (1046, 148736), (1162, 133888), (1328, 117152), (1792, 86818), (2092, 74368), (2324, 66944), (2656, 58576), (3584, 43409), (3661, 42496), (4184, 37184), (4648, 33472), (5312, 29288), (7322, 21248), (8368, 18592), (9296, 16736), (10624, 14644)]