1138260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{311}}^1$

素因数の和:384

約数の個数: 48

約数和(自身を含む): 3249792

約数和(自身を除く): 2111532

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 61, 122, 183, 244, 305, 311, 366, 610, 622, 732, 915, 933, 1220, 1244, 1555, 1830, 1866, 3110, 3660, 3732, 4665, 6220, 9330, 18660, 18971, 37942, 56913, 75884, 94855, 113826, 189710, 227652, 284565, 379420, 569130, 1138260]

約数ペア:

[(1, 1138260), (2, 569130), (3, 379420), (4, 284565), (5, 227652), (6, 189710), (10, 113826), (12, 94855), (15, 75884), (20, 56913), (30, 37942), (60, 18971), (61, 18660), (122, 9330), (183, 6220), (244, 4665), (305, 3732), (311, 3660), (366, 3110), (610, 1866), (622, 1830), (732, 1555), (915, 1244), (933, 1220)]