65431980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{21383}}^1$

素因数の和:21415

約数の個数: 72

約数和(自身を含む): 210161952

約数和(自身を除く): 144729972

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 306, 340, 510, 612, 765, 1020, 1530, 3060, 21383, 42766, 64149, 85532, 106915, 128298, 192447, 213830, 256596, 320745, 363511, 384894, 427660, 641490, 727022, 769788, 962235, 1090533, 1282980, 1454044, 1817555, 1924470, 2181066, 3271599, 3635110, 3848940, 4362132, 5452665, 6543198, 7270220, 10905330, 13086396, 16357995, 21810660, 32715990, 65431980]

約数ペア:

[(1, 65431980), (2, 32715990), (3, 21810660), (4, 16357995), (5, 13086396), (6, 10905330), (9, 7270220), (10, 6543198), (12, 5452665), (15, 4362132), (17, 3848940), (18, 3635110), (20, 3271599), (30, 2181066), (34, 1924470), (36, 1817555), (45, 1454044), (51, 1282980), (60, 1090533), (68, 962235), (85, 769788), (90, 727022), (102, 641490), (153, 427660), (170, 384894), (180, 363511), (204, 320745), (255, 256596), (306, 213830), (340, 192447), (510, 128298), (612, 106915), (765, 85532), (1020, 64149), (1530, 42766), (3060, 21383)]