15258980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1613}}^1$

素因数の和:1676

約数の個数: 48

約数和(自身を含む): 35792064

約数和(自身を除く): 20533084

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 86, 110, 172, 215, 220, 430, 473, 860, 946, 1613, 1892, 2365, 3226, 4730, 6452, 8065, 9460, 16130, 17743, 32260, 35486, 69359, 70972, 88715, 138718, 177430, 277436, 346795, 354860, 693590, 762949, 1387180, 1525898, 3051796, 3814745, 7629490, 15258980]

約数ペア:

[(1, 15258980), (2, 7629490), (4, 3814745), (5, 3051796), (10, 1525898), (11, 1387180), (20, 762949), (22, 693590), (43, 354860), (44, 346795), (55, 277436), (86, 177430), (110, 138718), (172, 88715), (215, 70972), (220, 69359), (430, 35486), (473, 32260), (860, 17743), (946, 16130), (1613, 9460), (1892, 8065), (2365, 6452), (3226, 4730)]