256159170

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{66191}}^1$

素因数の和:66247

約数の個数: 48

約数和(自身を含む): 681512832

約数和(自身を除く): 425353662

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 43, 45, 86, 90, 129, 215, 258, 387, 430, 645, 774, 1290, 1935, 3870, 66191, 132382, 198573, 330955, 397146, 595719, 661910, 992865, 1191438, 1985730, 2846213, 2978595, 5692426, 5957190, 8538639, 14231065, 17077278, 25615917, 28462130, 42693195, 51231834, 85386390, 128079585, 256159170]

約数ペア:

[(1, 256159170), (2, 128079585), (3, 85386390), (5, 51231834), (6, 42693195), (9, 28462130), (10, 25615917), (15, 17077278), (18, 14231065), (30, 8538639), (43, 5957190), (45, 5692426), (86, 2978595), (90, 2846213), (129, 1985730), (215, 1191438), (258, 992865), (387, 661910), (430, 595719), (645, 397146), (774, 330955), (1290, 198573), (1935, 132382), (3870, 66191)]