145118440

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{3163}}^1$

素因数の和:3242

約数の個数: 64

約数和(自身を含む): 346268160

約数和(自身を除く): 201149720

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 37, 40, 62, 74, 124, 148, 155, 185, 248, 296, 310, 370, 620, 740, 1147, 1240, 1480, 2294, 3163, 4588, 5735, 6326, 9176, 11470, 12652, 15815, 22940, 25304, 31630, 45880, 63260, 98053, 117031, 126520, 196106, 234062, 392212, 468124, 490265, 585155, 784424, 936248, 980530, 1170310, 1961060, 2340620, 3627961, 3922120, 4681240, 7255922, 14511844, 18139805, 29023688, 36279610, 72559220, 145118440]

約数ペア:

[(1, 145118440), (2, 72559220), (4, 36279610), (5, 29023688), (8, 18139805), (10, 14511844), (20, 7255922), (31, 4681240), (37, 3922120), (40, 3627961), (62, 2340620), (74, 1961060), (124, 1170310), (148, 980530), (155, 936248), (185, 784424), (248, 585155), (296, 490265), (310, 468124), (370, 392212), (620, 234062), (740, 196106), (1147, 126520), (1240, 117031), (1480, 98053), (2294, 63260), (3163, 45880), (4588, 31630), (5735, 25304), (6326, 22940), (9176, 15815), (11470, 12652)]