40781.000000

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{821}}^1$

素因数の和:841

約数の個数: 48

約数和(自身を含む): 1538784

約数和(自身を除く): 1021554

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 821, 1642, 2463, 4105, 4926, 5747, 7389, 8210, 11494, 12315, 14778, 17241, 24630, 28735, 34482, 36945, 51723, 57470, 73890, 86205, 103446, 172410, 258615, 517230]

約数ペア:

[(1, 517230), (2, 258615), (3, 172410), (5, 103446), (6, 86205), (7, 73890), (9, 57470), (10, 51723), (14, 36945), (15, 34482), (18, 28735), (21, 24630), (30, 17241), (35, 14778), (42, 12315), (45, 11494), (63, 8210), (70, 7389), (90, 5747), (105, 4926), (126, 4105), (210, 2463), (315, 1642), (630, 821)]