209213520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{251}}^1$

素因数の和:441

約数の個数: 160

約数和(自身を含む): 683956224

約数和(自身を除く): 474742704

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 46, 48, 60, 69, 80, 92, 115, 120, 138, 151, 184, 230, 240, 251, 276, 302, 345, 368, 453, 460, 502, 552, 604, 690, 753, 755, 906, 920, 1004, 1104, 1208, 1255, 1380, 1506, 1510, 1812, 1840, 2008, 2265, 2416, 2510, 2760, 3012, 3020, 3473, 3624, 3765, 4016, 4530, 5020, 5520, 5773, 6024, 6040, 6946, 7248, 7530, 9060, 10040, 10419, 11546, 12048, 12080, 13892, 15060, 17319, 17365, 18120, 20080, 20838, 23092, 27784, 28865, 30120, 34638, 34730, 36240, 37901, 41676, 46184, 52095, 55568, 57730, 60240, 69276, 69460, 75802, 83352, 86595, 92368, 104190, 113703, 115460, 138552, 138920, 151604, 166704, 173190, 189505, 208380, 227406, 230920, 277104, 277840, 303208, 346380, 379010, 416760, 454812, 461840, 568515, 606416, 692760, 758020, 833520, 871723, 909624, 1137030, 1385520, 1516040, 1743446, 1819248, 2274060, 2615169, 3032080, 3486892, 4358615, 4548120, 5230338, 6973784, 8717230, 9096240, 10460676, 13075845, 13947568, 17434460, 20921352, 26151690, 34868920, 41842704, 52303380, 69737840, 104606760, 209213520]

約数ペア:

[(1, 209213520), (2, 104606760), (3, 69737840), (4, 52303380), (5, 41842704), (6, 34868920), (8, 26151690), (10, 20921352), (12, 17434460), (15, 13947568), (16, 13075845), (20, 10460676), (23, 9096240), (24, 8717230), (30, 6973784), (40, 5230338), (46, 4548120), (48, 4358615), (60, 3486892), (69, 3032080), (80, 2615169), (92, 2274060), (115, 1819248), (120, 1743446), (138, 1516040), (151, 1385520), (184, 1137030), (230, 909624), (240, 871723), (251, 833520), (276, 758020), (302, 692760), (345, 606416), (368, 568515), (453, 461840), (460, 454812), (502, 416760), (552, 379010), (604, 346380), (690, 303208), (753, 277840), (755, 277104), (906, 230920), (920, 227406), (1004, 208380), (1104, 189505), (1208, 173190), (1255, 166704), (1380, 151604), (1506, 138920), (1510, 138552), (1812, 115460), (1840, 113703), (2008, 104190), (2265, 92368), (2416, 86595), (2510, 83352), (2760, 75802), (3012, 69460), (3020, 69276), (3473, 60240), (3624, 57730), (3765, 55568), (4016, 52095), (4530, 46184), (5020, 41676), (5520, 37901), (5773, 36240), (6024, 34730), (6040, 34638), (6946, 30120), (7248, 28865), (7530, 27784), (9060, 23092), (10040, 20838), (10419, 20080), (11546, 18120), (12048, 17365), (12080, 17319), (13892, 15060)]