219139020

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{135271}}^1$

素因数の和:135292

約数の個数: 60

約数和(自身を含む): 687452304

約数和(自身を除く): 468313284

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 135271, 270542, 405813, 541084, 676355, 811626, 1217439, 1352710, 1623252, 2029065, 2434878, 2705420, 3652317, 4058130, 4869756, 6087195, 7304634, 8116260, 10956951, 12174390, 14609268, 18261585, 21913902, 24348780, 36523170, 43827804, 54784755, 73046340, 109569510, 219139020]

約数ペア:

[(1, 219139020), (2, 109569510), (3, 73046340), (4, 54784755), (5, 43827804), (6, 36523170), (9, 24348780), (10, 21913902), (12, 18261585), (15, 14609268), (18, 12174390), (20, 10956951), (27, 8116260), (30, 7304634), (36, 6087195), (45, 4869756), (54, 4058130), (60, 3652317), (81, 2705420), (90, 2434878), (108, 2029065), (135, 1623252), (162, 1352710), (180, 1217439), (270, 811626), (324, 676355), (405, 541084), (540, 405813), (810, 270542), (1620, 135271)]