30474780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{72559}}^1$

素因数の和:72578

約数の個数: 48

約数和(自身を含む): 97520640

約数和(自身を除く): 67045860

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 72559, 145118, 217677, 290236, 362795, 435354, 507913, 725590, 870708, 1015826, 1088385, 1451180, 1523739, 2031652, 2176770, 2539565, 3047478, 4353540, 5079130, 6094956, 7618695, 10158260, 15237390, 30474780]

約数ペア:

[(1, 30474780), (2, 15237390), (3, 10158260), (4, 7618695), (5, 6094956), (6, 5079130), (7, 4353540), (10, 3047478), (12, 2539565), (14, 2176770), (15, 2031652), (20, 1523739), (21, 1451180), (28, 1088385), (30, 1015826), (35, 870708), (42, 725590), (60, 507913), (70, 435354), (84, 362795), (105, 290236), (140, 217677), (210, 145118), (420, 72559)]