2215530

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{239}}^1$

素因数の和:355

約数の個数: 48

約数和(自身を含む): 5840640

約数和(自身を除く): 3625110

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 103, 206, 239, 309, 478, 515, 618, 717, 927, 1030, 1195, 1434, 1545, 1854, 2151, 2390, 3090, 3585, 4302, 4635, 7170, 9270, 10755, 21510, 24617, 49234, 73851, 123085, 147702, 221553, 246170, 369255, 443106, 738510, 1107765, 2215530]

約数ペア:

[(1, 2215530), (2, 1107765), (3, 738510), (5, 443106), (6, 369255), (9, 246170), (10, 221553), (15, 147702), (18, 123085), (30, 73851), (45, 49234), (90, 24617), (103, 21510), (206, 10755), (239, 9270), (309, 7170), (478, 4635), (515, 4302), (618, 3585), (717, 3090), (927, 2390), (1030, 2151), (1195, 1854), (1434, 1545)]