28303320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{1447}}^1$

素因数の和:1624

約数の個数: 64

約数和(自身を含む): 85489920

約数和(自身を除く): 57186600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 163, 326, 489, 652, 815, 978, 1304, 1447, 1630, 1956, 2445, 2894, 3260, 3912, 4341, 4890, 5788, 6520, 7235, 8682, 9780, 11576, 14470, 17364, 19560, 21705, 28940, 34728, 43410, 57880, 86820, 173640, 235861, 471722, 707583, 943444, 1179305, 1415166, 1886888, 2358610, 2830332, 3537915, 4717220, 5660664, 7075830, 9434440, 14151660, 28303320]

約数ペア:

[(1, 28303320), (2, 14151660), (3, 9434440), (4, 7075830), (5, 5660664), (6, 4717220), (8, 3537915), (10, 2830332), (12, 2358610), (15, 1886888), (20, 1415166), (24, 1179305), (30, 943444), (40, 707583), (60, 471722), (120, 235861), (163, 173640), (326, 86820), (489, 57880), (652, 43410), (815, 34728), (978, 28940), (1304, 21705), (1447, 19560), (1630, 17364), (1956, 14470), (2445, 11576), (2894, 9780), (3260, 8682), (3912, 7235), (4341, 6520), (4890, 5788)]