180100980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{6373}}^1$

素因数の和:6545

約数の個数: 72

約数和(自身を含む): 549872232

約数和(自身を除く): 369771252

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 157, 180, 314, 471, 628, 785, 942, 1413, 1570, 1884, 2355, 2826, 3140, 4710, 5652, 6373, 7065, 9420, 12746, 14130, 19119, 25492, 28260, 31865, 38238, 57357, 63730, 76476, 95595, 114714, 127460, 191190, 229428, 286785, 382380, 573570, 1000561, 1147140, 2001122, 3001683, 4002244, 5002805, 6003366, 9005049, 10005610, 12006732, 15008415, 18010098, 20011220, 30016830, 36020196, 45025245, 60033660, 90050490, 180100980]

約数ペア:

[(1, 180100980), (2, 90050490), (3, 60033660), (4, 45025245), (5, 36020196), (6, 30016830), (9, 20011220), (10, 18010098), (12, 15008415), (15, 12006732), (18, 10005610), (20, 9005049), (30, 6003366), (36, 5002805), (45, 4002244), (60, 3001683), (90, 2001122), (157, 1147140), (180, 1000561), (314, 573570), (471, 382380), (628, 286785), (785, 229428), (942, 191190), (1413, 127460), (1570, 114714), (1884, 95595), (2355, 76476), (2826, 63730), (3140, 57357), (4710, 38238), (5652, 31865), (6373, 28260), (7065, 25492), (9420, 19119), (12746, 14130)]