28432920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{313}}^1\times {\mathrm{757}}^1$

素因数の和:1084

約数の個数: 64

約数和(自身を含む): 85684320

約数和(自身を除く): 57251400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 313, 626, 757, 939, 1252, 1514, 1565, 1878, 2271, 2504, 3028, 3130, 3756, 3785, 4542, 4695, 6056, 6260, 7512, 7570, 9084, 9390, 11355, 12520, 15140, 18168, 18780, 22710, 30280, 37560, 45420, 90840, 236941, 473882, 710823, 947764, 1184705, 1421646, 1895528, 2369410, 2843292, 3554115, 4738820, 5686584, 7108230, 9477640, 14216460, 28432920]

約数ペア:

[(1, 28432920), (2, 14216460), (3, 9477640), (4, 7108230), (5, 5686584), (6, 4738820), (8, 3554115), (10, 2843292), (12, 2369410), (15, 1895528), (20, 1421646), (24, 1184705), (30, 947764), (40, 710823), (60, 473882), (120, 236941), (313, 90840), (626, 45420), (757, 37560), (939, 30280), (1252, 22710), (1514, 18780), (1565, 18168), (1878, 15140), (2271, 12520), (2504, 11355), (3028, 9390), (3130, 9084), (3756, 7570), (3785, 7512), (4542, 6260), (4695, 6056)]