28548540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{797}}^1$

素因数の和:1011

約数の個数: 72

約数和(自身を含む): 87141600

約数和(自身を除く): 58593060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 199, 398, 597, 796, 797, 995, 1194, 1594, 1791, 1990, 2388, 2391, 2985, 3188, 3582, 3980, 3985, 4782, 5970, 7164, 7173, 7970, 8955, 9564, 11940, 11955, 14346, 15940, 17910, 23910, 28692, 35820, 35865, 47820, 71730, 143460, 158603, 317206, 475809, 634412, 793015, 951618, 1427427, 1586030, 1903236, 2379045, 2854854, 3172060, 4758090, 5709708, 7137135, 9516180, 14274270, 28548540]

約数ペア:

[(1, 28548540), (2, 14274270), (3, 9516180), (4, 7137135), (5, 5709708), (6, 4758090), (9, 3172060), (10, 2854854), (12, 2379045), (15, 1903236), (18, 1586030), (20, 1427427), (30, 951618), (36, 793015), (45, 634412), (60, 475809), (90, 317206), (180, 158603), (199, 143460), (398, 71730), (597, 47820), (796, 35865), (797, 35820), (995, 28692), (1194, 23910), (1594, 17910), (1791, 15940), (1990, 14346), (2388, 11955), (2391, 11940), (2985, 9564), (3188, 8955), (3582, 7970), (3980, 7173), (3985, 7164), (4782, 5970)]