81285210

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{641}}^1\times {\mathrm{1409}}^1$

素因数の和:2063

約数の個数: 48

約数和(自身を含む): 211821480

約数和(自身を除く): 130536270

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 641, 1282, 1409, 1923, 2818, 3205, 3846, 4227, 5769, 6410, 7045, 8454, 9615, 11538, 12681, 14090, 19230, 21135, 25362, 28845, 42270, 57690, 63405, 126810, 903169, 1806338, 2709507, 4515845, 5419014, 8128521, 9031690, 13547535, 16257042, 27095070, 40642605, 81285210]

約数ペア:

[(1, 81285210), (2, 40642605), (3, 27095070), (5, 16257042), (6, 13547535), (9, 9031690), (10, 8128521), (15, 5419014), (18, 4515845), (30, 2709507), (45, 1806338), (90, 903169), (641, 126810), (1282, 63405), (1409, 57690), (1923, 42270), (2818, 28845), (3205, 25362), (3846, 21135), (4227, 19230), (5769, 14090), (6410, 12681), (7045, 11538), (8454, 9615)]