156789760

素因数分解:

$2^{10}\times 5^1\times {\mathrm{113}}^1\times {\mathrm{271}}^1$

素因数の和:409

約数の個数: 88

約数和(自身を含む): 380840256

約数和(自身を除く): 224050496

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 113, 128, 160, 226, 256, 271, 320, 452, 512, 542, 565, 640, 904, 1024, 1084, 1130, 1280, 1355, 1808, 2168, 2260, 2560, 2710, 3616, 4336, 4520, 5120, 5420, 7232, 8672, 9040, 10840, 14464, 17344, 18080, 21680, 28928, 30623, 34688, 36160, 43360, 57856, 61246, 69376, 72320, 86720, 115712, 122492, 138752, 144640, 153115, 173440, 244984, 277504, 289280, 306230, 346880, 489968, 578560, 612460, 693760, 979936, 1224920, 1387520, 1959872, 2449840, 3919744, 4899680, 7839488, 9799360, 15678976, 19598720, 31357952, 39197440, 78394880, 156789760]

約数ペア:

[(1, 156789760), (2, 78394880), (4, 39197440), (5, 31357952), (8, 19598720), (10, 15678976), (16, 9799360), (20, 7839488), (32, 4899680), (40, 3919744), (64, 2449840), (80, 1959872), (113, 1387520), (128, 1224920), (160, 979936), (226, 693760), (256, 612460), (271, 578560), (320, 489968), (452, 346880), (512, 306230), (542, 289280), (565, 277504), (640, 244984), (904, 173440), (1024, 153115), (1084, 144640), (1130, 138752), (1280, 122492), (1355, 115712), (1808, 86720), (2168, 72320), (2260, 69376), (2560, 61246), (2710, 57856), (3616, 43360), (4336, 36160), (4520, 34688), (5120, 30623), (5420, 28928), (7232, 21680), (8672, 18080), (9040, 17344), (10840, 14464)]