678809120

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{409}}^1$

素因数の和:499

約数の個数: 192

約数和(自身を含む): 1874638080

約数和(自身を除く): 1195828960

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 32, 40, 41, 44, 46, 55, 80, 82, 88, 92, 110, 115, 160, 164, 176, 184, 205, 220, 230, 253, 328, 352, 368, 409, 410, 440, 451, 460, 506, 656, 736, 818, 820, 880, 902, 920, 943, 1012, 1265, 1312, 1636, 1640, 1760, 1804, 1840, 1886, 2024, 2045, 2255, 2530, 3272, 3280, 3608, 3680, 3772, 4048, 4090, 4499, 4510, 4715, 5060, 6544, 6560, 7216, 7544, 8096, 8180, 8998, 9020, 9407, 9430, 10120, 10373, 13088, 14432, 15088, 16360, 16769, 17996, 18040, 18814, 18860, 20240, 20746, 22495, 30176, 32720, 33538, 35992, 36080, 37628, 37720, 40480, 41492, 44990, 47035, 51865, 65440, 67076, 71984, 72160, 75256, 75440, 82984, 83845, 89980, 94070, 103477, 103730, 134152, 143968, 150512, 150880, 165968, 167690, 179960, 184459, 188140, 206954, 207460, 268304, 301024, 331936, 335380, 359920, 368918, 376280, 385687, 413908, 414920, 517385, 536608, 670760, 719840, 737836, 752560, 771374, 827816, 829840, 922295, 1034770, 1341520, 1475672, 1505120, 1542748, 1655632, 1659680, 1844590, 1928435, 2069540, 2683040, 2951344, 3085496, 3311264, 3689180, 3856870, 4139080, 4242557, 5902688, 6170992, 7378360, 7713740, 8278160, 8485114, 12341984, 14756720, 15427480, 16556320, 16970228, 21212785, 29513440, 30854960, 33940456, 42425570, 61709920, 67880912, 84851140, 135761824, 169702280, 339404560, 678809120]

約数ペア:

[(1, 678809120), (2, 339404560), (4, 169702280), (5, 135761824), (8, 84851140), (10, 67880912), (11, 61709920), (16, 42425570), (20, 33940456), (22, 30854960), (23, 29513440), (32, 21212785), (40, 16970228), (41, 16556320), (44, 15427480), (46, 14756720), (55, 12341984), (80, 8485114), (82, 8278160), (88, 7713740), (92, 7378360), (110, 6170992), (115, 5902688), (160, 4242557), (164, 4139080), (176, 3856870), (184, 3689180), (205, 3311264), (220, 3085496), (230, 2951344), (253, 2683040), (328, 2069540), (352, 1928435), (368, 1844590), (409, 1659680), (410, 1655632), (440, 1542748), (451, 1505120), (460, 1475672), (506, 1341520), (656, 1034770), (736, 922295), (818, 829840), (820, 827816), (880, 771374), (902, 752560), (920, 737836), (943, 719840), (1012, 670760), (1265, 536608), (1312, 517385), (1636, 414920), (1640, 413908), (1760, 385687), (1804, 376280), (1840, 368918), (1886, 359920), (2024, 335380), (2045, 331936), (2255, 301024), (2530, 268304), (3272, 207460), (3280, 206954), (3608, 188140), (3680, 184459), (3772, 179960), (4048, 167690), (4090, 165968), (4499, 150880), (4510, 150512), (4715, 143968), (5060, 134152), (6544, 103730), (6560, 103477), (7216, 94070), (7544, 89980), (8096, 83845), (8180, 82984), (8998, 75440), (9020, 75256), (9407, 72160), (9430, 71984), (10120, 67076), (10373, 65440), (13088, 51865), (14432, 47035), (15088, 44990), (16360, 41492), (16769, 40480), (17996, 37720), (18040, 37628), (18814, 36080), (18860, 35992), (20240, 33538), (20746, 32720), (22495, 30176)]