218440980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1213561}}^1$

素因数の和:1213576

約数の個数: 36

約数和(自身を含む): 662604852

約数和(自身を除く): 444163872

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1213561, 2427122, 3640683, 4854244, 6067805, 7281366, 10922049, 12135610, 14562732, 18203415, 21844098, 24271220, 36406830, 43688196, 54610245, 72813660, 109220490, 218440980]

約数ペア:

[(1, 218440980), (2, 109220490), (3, 72813660), (4, 54610245), (5, 43688196), (6, 36406830), (9, 24271220), (10, 21844098), (12, 18203415), (15, 14562732), (18, 12135610), (20, 10922049), (30, 7281366), (36, 6067805), (45, 4854244), (60, 3640683), (90, 2427122), (180, 1213561)]