27688860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{773}}^1$

素因数の和:987

約数の個数: 72

約数和(自身を含む): 84520800

約数和(自身を除く): 56831940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 199, 398, 597, 773, 796, 995, 1194, 1546, 1791, 1990, 2319, 2388, 2985, 3092, 3582, 3865, 3980, 4638, 5970, 6957, 7164, 7730, 8955, 9276, 11595, 11940, 13914, 15460, 17910, 23190, 27828, 34785, 35820, 46380, 69570, 139140, 153827, 307654, 461481, 615308, 769135, 922962, 1384443, 1538270, 1845924, 2307405, 2768886, 3076540, 4614810, 5537772, 6922215, 9229620, 13844430, 27688860]

約数ペア:

[(1, 27688860), (2, 13844430), (3, 9229620), (4, 6922215), (5, 5537772), (6, 4614810), (9, 3076540), (10, 2768886), (12, 2307405), (15, 1845924), (18, 1538270), (20, 1384443), (30, 922962), (36, 769135), (45, 615308), (60, 461481), (90, 307654), (180, 153827), (199, 139140), (398, 69570), (597, 46380), (773, 35820), (796, 34785), (995, 27828), (1194, 23190), (1546, 17910), (1791, 15460), (1990, 13914), (2319, 11940), (2388, 11595), (2985, 9276), (3092, 8955), (3582, 7730), (3865, 7164), (3980, 6957), (4638, 5970)]