152177920

素因数分解:

$2^8\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1949}}^1$

素因数の和:2031

約数の個数: 72

約数和(自身を含む): 370679400

約数和(自身を除く): 218501480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 128, 160, 244, 256, 305, 320, 488, 610, 640, 976, 1220, 1280, 1949, 1952, 2440, 3898, 3904, 4880, 7796, 7808, 9745, 9760, 15592, 15616, 19490, 19520, 31184, 38980, 39040, 62368, 77960, 78080, 118889, 124736, 155920, 237778, 249472, 311840, 475556, 498944, 594445, 623680, 951112, 1188890, 1247360, 1902224, 2377780, 2494720, 3804448, 4755560, 7608896, 9511120, 15217792, 19022240, 30435584, 38044480, 76088960, 152177920]

約数ペア:

[(1, 152177920), (2, 76088960), (4, 38044480), (5, 30435584), (8, 19022240), (10, 15217792), (16, 9511120), (20, 7608896), (32, 4755560), (40, 3804448), (61, 2494720), (64, 2377780), (80, 1902224), (122, 1247360), (128, 1188890), (160, 951112), (244, 623680), (256, 594445), (305, 498944), (320, 475556), (488, 311840), (610, 249472), (640, 237778), (976, 155920), (1220, 124736), (1280, 118889), (1949, 78080), (1952, 77960), (2440, 62368), (3898, 39040), (3904, 38980), (4880, 31184), (7796, 19520), (7808, 19490), (9745, 15616), (9760, 15592)]