161745210

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{821}}^1$

素因数の和:1044

約数の個数: 96

約数和(自身を含む): 461635200

約数和(自身を除く): 299889990

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 165, 198, 199, 330, 398, 495, 597, 821, 990, 995, 1194, 1642, 1791, 1990, 2189, 2463, 2985, 3582, 4105, 4378, 4926, 5970, 6567, 7389, 8210, 8955, 9031, 10945, 12315, 13134, 14778, 17910, 18062, 19701, 21890, 24630, 27093, 32835, 36945, 39402, 45155, 54186, 65670, 73890, 81279, 90310, 98505, 135465, 162558, 163379, 197010, 270930, 326758, 406395, 490137, 812790, 816895, 980274, 1470411, 1633790, 1797169, 2450685, 2940822, 3594338, 4901370, 5391507, 7352055, 8985845, 10783014, 14704110, 16174521, 17971690, 26957535, 32349042, 53915070, 80872605, 161745210]

約数ペア:

[(1, 161745210), (2, 80872605), (3, 53915070), (5, 32349042), (6, 26957535), (9, 17971690), (10, 16174521), (11, 14704110), (15, 10783014), (18, 8985845), (22, 7352055), (30, 5391507), (33, 4901370), (45, 3594338), (55, 2940822), (66, 2450685), (90, 1797169), (99, 1633790), (110, 1470411), (165, 980274), (198, 816895), (199, 812790), (330, 490137), (398, 406395), (495, 326758), (597, 270930), (821, 197010), (990, 163379), (995, 162558), (1194, 135465), (1642, 98505), (1791, 90310), (1990, 81279), (2189, 73890), (2463, 65670), (2985, 54186), (3582, 45155), (4105, 39402), (4378, 36945), (4926, 32835), (5970, 27093), (6567, 24630), (7389, 21890), (8210, 19701), (8955, 18062), (9031, 17910), (10945, 14778), (12315, 13134)]