87231720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{449}}^1\times {\mathrm{1619}}^1$

素因数の和:2082

約数の個数: 64

約数和(自身を含む): 262440000

約数和(自身を除く): 175208280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 449, 898, 1347, 1619, 1796, 2245, 2694, 3238, 3592, 4490, 4857, 5388, 6476, 6735, 8095, 8980, 9714, 10776, 12952, 13470, 16190, 17960, 19428, 24285, 26940, 32380, 38856, 48570, 53880, 64760, 97140, 194280, 726931, 1453862, 2180793, 2907724, 3634655, 4361586, 5815448, 7269310, 8723172, 10903965, 14538620, 17446344, 21807930, 29077240, 43615860, 87231720]

約数ペア:

[(1, 87231720), (2, 43615860), (3, 29077240), (4, 21807930), (5, 17446344), (6, 14538620), (8, 10903965), (10, 8723172), (12, 7269310), (15, 5815448), (20, 4361586), (24, 3634655), (30, 2907724), (40, 2180793), (60, 1453862), (120, 726931), (449, 194280), (898, 97140), (1347, 64760), (1619, 53880), (1796, 48570), (2245, 38856), (2694, 32380), (3238, 26940), (3592, 24285), (4490, 19428), (4857, 17960), (5388, 16190), (6476, 13470), (6735, 12952), (8095, 10776), (8980, 9714)]