245430

素因数分解:

$2^1\times 3^5\times 5^1\times {\mathrm{101}}^1$

素因数の和:123

約数の個数: 48

約数和(自身を含む): 668304

約数和(自身を除く): 422874

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 101, 135, 162, 202, 243, 270, 303, 405, 486, 505, 606, 810, 909, 1010, 1215, 1515, 1818, 2430, 2727, 3030, 4545, 5454, 8181, 9090, 13635, 16362, 24543, 27270, 40905, 49086, 81810, 122715, 245430]

約数ペア:

[(1, 245430), (2, 122715), (3, 81810), (5, 49086), (6, 40905), (9, 27270), (10, 24543), (15, 16362), (18, 13635), (27, 9090), (30, 8181), (45, 5454), (54, 4545), (81, 3030), (90, 2727), (101, 2430), (135, 1818), (162, 1515), (202, 1215), (243, 1010), (270, 909), (303, 810), (405, 606), (486, 505)]