71365120

素因数分解:

$2^9\times 5^1\times {\mathrm{61}}^1\times {\mathrm{457}}^1$

素因数の和:541

約数の個数: 80

約数和(自身を含む): 174294648

約数和(自身を除く): 102929528

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 128, 160, 244, 256, 305, 320, 457, 488, 512, 610, 640, 914, 976, 1220, 1280, 1828, 1952, 2285, 2440, 2560, 3656, 3904, 4570, 4880, 7312, 7808, 9140, 9760, 14624, 15616, 18280, 19520, 27877, 29248, 31232, 36560, 39040, 55754, 58496, 73120, 78080, 111508, 116992, 139385, 146240, 156160, 223016, 233984, 278770, 292480, 446032, 557540, 584960, 892064, 1115080, 1169920, 1784128, 2230160, 3568256, 4460320, 7136512, 8920640, 14273024, 17841280, 35682560, 71365120]

約数ペア:

[(1, 71365120), (2, 35682560), (4, 17841280), (5, 14273024), (8, 8920640), (10, 7136512), (16, 4460320), (20, 3568256), (32, 2230160), (40, 1784128), (61, 1169920), (64, 1115080), (80, 892064), (122, 584960), (128, 557540), (160, 446032), (244, 292480), (256, 278770), (305, 233984), (320, 223016), (457, 156160), (488, 146240), (512, 139385), (610, 116992), (640, 111508), (914, 78080), (976, 73120), (1220, 58496), (1280, 55754), (1828, 39040), (1952, 36560), (2285, 31232), (2440, 29248), (2560, 27877), (3656, 19520), (3904, 18280), (4570, 15616), (4880, 14624), (7312, 9760), (7808, 9140)]