204517320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{243473}}^1$

素因数の和:243494

約数の個数: 64

約数和(自身を含む): 701205120

約数和(自身を除く): 496687800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 243473, 486946, 730419, 973892, 1217365, 1460838, 1704311, 1947784, 2434730, 2921676, 3408622, 3652095, 4869460, 5112933, 5843352, 6817244, 7304190, 8521555, 9738920, 10225866, 13634488, 14608380, 17043110, 20451732, 25564665, 29216760, 34086220, 40903464, 51129330, 68172440, 102258660, 204517320]

約数ペア:

[(1, 204517320), (2, 102258660), (3, 68172440), (4, 51129330), (5, 40903464), (6, 34086220), (7, 29216760), (8, 25564665), (10, 20451732), (12, 17043110), (14, 14608380), (15, 13634488), (20, 10225866), (21, 9738920), (24, 8521555), (28, 7304190), (30, 6817244), (35, 5843352), (40, 5112933), (42, 4869460), (56, 3652095), (60, 3408622), (70, 2921676), (84, 2434730), (105, 1947784), (120, 1704311), (140, 1460838), (168, 1217365), (210, 973892), (280, 730419), (420, 486946), (840, 243473)]