128575720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{35323}}^1$

素因数の和:35354

約数の個数: 64

約数和(自身を含む): 356065920

約数和(自身を除く): 227490200

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 35323, 70646, 141292, 176615, 247261, 282584, 353230, 459199, 494522, 706460, 918398, 989044, 1236305, 1412920, 1836796, 1978088, 2295995, 2472610, 3214393, 3673592, 4591990, 4945220, 6428786, 9183980, 9890440, 12857572, 16071965, 18367960, 25715144, 32143930, 64287860, 128575720]

約数ペア:

[(1, 128575720), (2, 64287860), (4, 32143930), (5, 25715144), (7, 18367960), (8, 16071965), (10, 12857572), (13, 9890440), (14, 9183980), (20, 6428786), (26, 4945220), (28, 4591990), (35, 3673592), (40, 3214393), (52, 2472610), (56, 2295995), (65, 1978088), (70, 1836796), (91, 1412920), (104, 1236305), (130, 989044), (140, 918398), (182, 706460), (260, 494522), (280, 459199), (364, 353230), (455, 282584), (520, 247261), (728, 176615), (910, 141292), (1820, 70646), (3640, 35323)]