155402240

素因数分解:

$2^{14}\times 5^1\times 7^1\times {\mathrm{271}}^1$

素因数の和:311

約数の個数: 120

約数和(自身を含む): 427805952

約数和(自身を除く): 272403712

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 271, 280, 320, 448, 512, 542, 560, 640, 896, 1024, 1084, 1120, 1280, 1355, 1792, 1897, 2048, 2168, 2240, 2560, 2710, 3584, 3794, 4096, 4336, 4480, 5120, 5420, 7168, 7588, 8192, 8672, 8960, 9485, 10240, 10840, 14336, 15176, 16384, 17344, 17920, 18970, 20480, 21680, 28672, 30352, 34688, 35840, 37940, 40960, 43360, 57344, 60704, 69376, 71680, 75880, 81920, 86720, 114688, 121408, 138752, 143360, 151760, 173440, 242816, 277504, 286720, 303520, 346880, 485632, 555008, 573440, 607040, 693760, 971264, 1110016, 1214080, 1387520, 1942528, 2220032, 2428160, 2775040, 3885056, 4440064, 4856320, 5550080, 7770112, 9712640, 11100160, 15540224, 19425280, 22200320, 31080448, 38850560, 77701120, 155402240]

約数ペア:

[(1, 155402240), (2, 77701120), (4, 38850560), (5, 31080448), (7, 22200320), (8, 19425280), (10, 15540224), (14, 11100160), (16, 9712640), (20, 7770112), (28, 5550080), (32, 4856320), (35, 4440064), (40, 3885056), (56, 2775040), (64, 2428160), (70, 2220032), (80, 1942528), (112, 1387520), (128, 1214080), (140, 1110016), (160, 971264), (224, 693760), (256, 607040), (271, 573440), (280, 555008), (320, 485632), (448, 346880), (512, 303520), (542, 286720), (560, 277504), (640, 242816), (896, 173440), (1024, 151760), (1084, 143360), (1120, 138752), (1280, 121408), (1355, 114688), (1792, 86720), (1897, 81920), (2048, 75880), (2168, 71680), (2240, 69376), (2560, 60704), (2710, 57344), (3584, 43360), (3794, 40960), (4096, 37940), (4336, 35840), (4480, 34688), (5120, 30352), (5420, 28672), (7168, 21680), (7588, 20480), (8192, 18970), (8672, 17920), (8960, 17344), (9485, 16384), (10240, 15176), (10840, 14336)]