15868260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{443}}^1$

素因数の和:657

約数の個数: 72

約数和(自身を含む): 48484800

約数和(自身を除く): 32616540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 199, 398, 443, 597, 796, 886, 995, 1194, 1329, 1772, 1791, 1990, 2215, 2388, 2658, 2985, 3582, 3980, 3987, 4430, 5316, 5970, 6645, 7164, 7974, 8860, 8955, 11940, 13290, 15948, 17910, 19935, 26580, 35820, 39870, 79740, 88157, 176314, 264471, 352628, 440785, 528942, 793413, 881570, 1057884, 1322355, 1586826, 1763140, 2644710, 3173652, 3967065, 5289420, 7934130, 15868260]

約数ペア:

[(1, 15868260), (2, 7934130), (3, 5289420), (4, 3967065), (5, 3173652), (6, 2644710), (9, 1763140), (10, 1586826), (12, 1322355), (15, 1057884), (18, 881570), (20, 793413), (30, 528942), (36, 440785), (45, 352628), (60, 264471), (90, 176314), (180, 88157), (199, 79740), (398, 39870), (443, 35820), (597, 26580), (796, 19935), (886, 17910), (995, 15948), (1194, 13290), (1329, 11940), (1772, 8955), (1791, 8860), (1990, 7974), (2215, 7164), (2388, 6645), (2658, 5970), (2985, 5316), (3582, 4430), (3980, 3987)]