90972990

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{347}}^1\times {\mathrm{971}}^1$

素因数の和:1334

約数の個数: 64

約数和(自身を含む): 243544320

約数和(自身を除く): 152571330

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 347, 694, 971, 1041, 1735, 1942, 2082, 2913, 3123, 3470, 4855, 5205, 5826, 6246, 8739, 9369, 9710, 10410, 14565, 15615, 17478, 18738, 26217, 29130, 31230, 43695, 46845, 52434, 87390, 93690, 131085, 262170, 336937, 673874, 1010811, 1684685, 2021622, 3032433, 3369370, 5054055, 6064866, 9097299, 10108110, 15162165, 18194598, 30324330, 45486495, 90972990]

約数ペア:

[(1, 90972990), (2, 45486495), (3, 30324330), (5, 18194598), (6, 15162165), (9, 10108110), (10, 9097299), (15, 6064866), (18, 5054055), (27, 3369370), (30, 3032433), (45, 2021622), (54, 1684685), (90, 1010811), (135, 673874), (270, 336937), (347, 262170), (694, 131085), (971, 93690), (1041, 87390), (1735, 52434), (1942, 46845), (2082, 43695), (2913, 31230), (3123, 29130), (3470, 26217), (4855, 18738), (5205, 17478), (5826, 15615), (6246, 14565), (8739, 10410), (9369, 9710)]