2979880

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1$

素因数の和:154

約数の個数: 64

約数和(自身を含む): 7257600

約数和(自身を除く): 4277720

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 41, 46, 79, 82, 92, 115, 158, 164, 184, 205, 230, 316, 328, 395, 410, 460, 632, 790, 820, 920, 943, 1580, 1640, 1817, 1886, 3160, 3239, 3634, 3772, 4715, 6478, 7268, 7544, 9085, 9430, 12956, 14536, 16195, 18170, 18860, 25912, 32390, 36340, 37720, 64780, 72680, 74497, 129560, 148994, 297988, 372485, 595976, 744970, 1489940, 2979880]

約数ペア:

[(1, 2979880), (2, 1489940), (4, 744970), (5, 595976), (8, 372485), (10, 297988), (20, 148994), (23, 129560), (40, 74497), (41, 72680), (46, 64780), (79, 37720), (82, 36340), (92, 32390), (115, 25912), (158, 18860), (164, 18170), (184, 16195), (205, 14536), (230, 12956), (316, 9430), (328, 9085), (395, 7544), (410, 7268), (460, 6478), (632, 4715), (790, 3772), (820, 3634), (920, 3239), (943, 3160), (1580, 1886), (1640, 1817)]