205653960

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{571261}}^1$

素因数の和:571278

約数の個数: 48

約数和(自身を含む): 668376540

約数和(自身を除く): 462722580

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 571261, 1142522, 1713783, 2285044, 2856305, 3427566, 4570088, 5141349, 5712610, 6855132, 8568915, 10282698, 11425220, 13710264, 17137830, 20565396, 22850440, 25706745, 34275660, 41130792, 51413490, 68551320, 102826980, 205653960]

約数ペア:

[(1, 205653960), (2, 102826980), (3, 68551320), (4, 51413490), (5, 41130792), (6, 34275660), (8, 25706745), (9, 22850440), (10, 20565396), (12, 17137830), (15, 13710264), (18, 11425220), (20, 10282698), (24, 8568915), (30, 6855132), (36, 5712610), (40, 5141349), (45, 4570088), (60, 3427566), (72, 2856305), (90, 2285044), (120, 1713783), (180, 1142522), (360, 571261)]