159443920

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{151}}^1\times {\mathrm{197}}^1$

素因数の和:428

約数の個数: 80

約数和(自身を含む): 380654208

約数和(自身を除く): 221210288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 151, 197, 268, 302, 335, 394, 536, 604, 670, 755, 788, 985, 1072, 1208, 1340, 1510, 1576, 1970, 2416, 2680, 3020, 3152, 3940, 5360, 6040, 7880, 10117, 12080, 13199, 15760, 20234, 26398, 29747, 40468, 50585, 52796, 59494, 65995, 80936, 101170, 105592, 118988, 131990, 148735, 161872, 202340, 211184, 237976, 263980, 297470, 404680, 475952, 527960, 594940, 809360, 1055920, 1189880, 1993049, 2379760, 3986098, 7972196, 9965245, 15944392, 19930490, 31888784, 39860980, 79721960, 159443920]

約数ペア:

[(1, 159443920), (2, 79721960), (4, 39860980), (5, 31888784), (8, 19930490), (10, 15944392), (16, 9965245), (20, 7972196), (40, 3986098), (67, 2379760), (80, 1993049), (134, 1189880), (151, 1055920), (197, 809360), (268, 594940), (302, 527960), (335, 475952), (394, 404680), (536, 297470), (604, 263980), (670, 237976), (755, 211184), (788, 202340), (985, 161872), (1072, 148735), (1208, 131990), (1340, 118988), (1510, 105592), (1576, 101170), (1970, 80936), (2416, 65995), (2680, 59494), (3020, 52796), (3152, 50585), (3940, 40468), (5360, 29747), (6040, 26398), (7880, 20234), (10117, 15760), (12080, 13199)]