638966070

素因数分解:

$2^1\times 3^5\times 5^1\times {\mathrm{262949}}^1$

素因数の和:262971

約数の個数: 48

約数和(自身を含む): 1722848400

約数和(自身を除く): 1083882330

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 243, 270, 405, 486, 810, 1215, 2430, 262949, 525898, 788847, 1314745, 1577694, 2366541, 2629490, 3944235, 4733082, 7099623, 7888470, 11832705, 14199246, 21298869, 23665410, 35498115, 42597738, 63896607, 70996230, 106494345, 127793214, 212988690, 319483035, 638966070]

約数ペア:

[(1, 638966070), (2, 319483035), (3, 212988690), (5, 127793214), (6, 106494345), (9, 70996230), (10, 63896607), (15, 42597738), (18, 35498115), (27, 23665410), (30, 21298869), (45, 14199246), (54, 11832705), (81, 7888470), (90, 7099623), (135, 4733082), (162, 3944235), (243, 2629490), (270, 2366541), (405, 1577694), (486, 1314745), (810, 788847), (1215, 525898), (2430, 262949)]