204454980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1135861}}^1$

素因数の和:1135876

約数の個数: 36

約数和(自身を含む): 620180652

約数和(自身を除く): 415725672

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1135861, 2271722, 3407583, 4543444, 5679305, 6815166, 10222749, 11358610, 13630332, 17037915, 20445498, 22717220, 34075830, 40890996, 51113745, 68151660, 102227490, 204454980]

約数ペア:

[(1, 204454980), (2, 102227490), (3, 68151660), (4, 51113745), (5, 40890996), (6, 34075830), (9, 22717220), (10, 20445498), (12, 17037915), (15, 13630332), (18, 11358610), (20, 10222749), (30, 6815166), (36, 5679305), (45, 4543444), (60, 3407583), (90, 2271722), (180, 1135861)]