81931050

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{97}}^1\times {\mathrm{1877}}^1$

素因数の和:1992

約数の個数: 72

約数和(自身を含む): 222509196

約数和(自身を除く): 140578146

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 97, 150, 194, 225, 291, 450, 485, 582, 873, 970, 1455, 1746, 1877, 2425, 2910, 3754, 4365, 4850, 5631, 7275, 8730, 9385, 11262, 14550, 16893, 18770, 21825, 28155, 33786, 43650, 46925, 56310, 84465, 93850, 140775, 168930, 182069, 281550, 364138, 422325, 546207, 844650, 910345, 1092414, 1638621, 1820690, 2731035, 3277242, 4551725, 5462070, 8193105, 9103450, 13655175, 16386210, 27310350, 40965525, 81931050]

約数ペア:

[(1, 81931050), (2, 40965525), (3, 27310350), (5, 16386210), (6, 13655175), (9, 9103450), (10, 8193105), (15, 5462070), (18, 4551725), (25, 3277242), (30, 2731035), (45, 1820690), (50, 1638621), (75, 1092414), (90, 910345), (97, 844650), (150, 546207), (194, 422325), (225, 364138), (291, 281550), (450, 182069), (485, 168930), (582, 140775), (873, 93850), (970, 84465), (1455, 56310), (1746, 46925), (1877, 43650), (2425, 33786), (2910, 28155), (3754, 21825), (4365, 18770), (4850, 16893), (5631, 14550), (7275, 11262), (8730, 9385)]