28497840

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{16963}}^1$

素因数の和:16986

約数の個数: 80

約数和(自身を含む): 100969728

約数和(自身を除く): 72471888

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 16963, 33926, 50889, 67852, 84815, 101778, 118741, 135704, 169630, 203556, 237482, 254445, 271408, 339260, 356223, 407112, 474964, 508890, 593705, 678520, 712446, 814224, 949928, 1017780, 1187410, 1357040, 1424892, 1781115, 1899856, 2035560, 2374820, 2849784, 3562230, 4071120, 4749640, 5699568, 7124460, 9499280, 14248920, 28497840]

約数ペア:

[(1, 28497840), (2, 14248920), (3, 9499280), (4, 7124460), (5, 5699568), (6, 4749640), (7, 4071120), (8, 3562230), (10, 2849784), (12, 2374820), (14, 2035560), (15, 1899856), (16, 1781115), (20, 1424892), (21, 1357040), (24, 1187410), (28, 1017780), (30, 949928), (35, 814224), (40, 712446), (42, 678520), (48, 593705), (56, 508890), (60, 474964), (70, 407112), (80, 356223), (84, 339260), (105, 271408), (112, 254445), (120, 237482), (140, 203556), (168, 169630), (210, 135704), (240, 118741), (280, 101778), (336, 84815), (420, 67852), (560, 50889), (840, 33926), (1680, 16963)]