11919520

素因数分解:

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

素因数の和:158

約数の個数: 96

約数和(自身を含む): 30481920

約数和(自身を除く): 18562400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 41, 46, 79, 80, 82, 92, 115, 158, 160, 164, 184, 205, 230, 316, 328, 368, 395, 410, 460, 632, 656, 736, 790, 820, 920, 943, 1264, 1312, 1580, 1640, 1817, 1840, 1886, 2528, 3160, 3239, 3280, 3634, 3680, 3772, 4715, 6320, 6478, 6560, 7268, 7544, 9085, 9430, 12640, 12956, 14536, 15088, 16195, 18170, 18860, 25912, 29072, 30176, 32390, 36340, 37720, 51824, 58144, 64780, 72680, 74497, 75440, 103648, 129560, 145360, 148994, 150880, 259120, 290720, 297988, 372485, 518240, 595976, 744970, 1191952, 1489940, 2383904, 2979880, 5959760, 11919520]

約数ペア:

[(1, 11919520), (2, 5959760), (4, 2979880), (5, 2383904), (8, 1489940), (10, 1191952), (16, 744970), (20, 595976), (23, 518240), (32, 372485), (40, 297988), (41, 290720), (46, 259120), (79, 150880), (80, 148994), (82, 145360), (92, 129560), (115, 103648), (158, 75440), (160, 74497), (164, 72680), (184, 64780), (205, 58144), (230, 51824), (316, 37720), (328, 36340), (368, 32390), (395, 30176), (410, 29072), (460, 25912), (632, 18860), (656, 18170), (736, 16195), (790, 15088), (820, 14536), (920, 12956), (943, 12640), (1264, 9430), (1312, 9085), (1580, 7544), (1640, 7268), (1817, 6560), (1840, 6478), (1886, 6320), (2528, 4715), (3160, 3772), (3239, 3680), (3280, 3634)]