15215880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1$

素因数の和:223

約数の個数: 128

約数和(自身を含む): 49248000

約数和(自身を除く): 34032120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 37, 40, 46, 60, 69, 74, 92, 111, 115, 120, 138, 148, 149, 184, 185, 222, 230, 276, 296, 298, 345, 370, 444, 447, 460, 552, 555, 596, 690, 740, 745, 851, 888, 894, 920, 1110, 1192, 1380, 1480, 1490, 1702, 1788, 2220, 2235, 2553, 2760, 2980, 3404, 3427, 3576, 4255, 4440, 4470, 5106, 5513, 5960, 6808, 6854, 8510, 8940, 10212, 10281, 11026, 12765, 13708, 16539, 17020, 17135, 17880, 20424, 20562, 22052, 25530, 27416, 27565, 33078, 34040, 34270, 41124, 44104, 51060, 51405, 55130, 66156, 68540, 82248, 82695, 102120, 102810, 110260, 126799, 132312, 137080, 165390, 205620, 220520, 253598, 330780, 380397, 411240, 507196, 633995, 661560, 760794, 1014392, 1267990, 1521588, 1901985, 2535980, 3043176, 3803970, 5071960, 7607940, 15215880]

約数ペア:

[(1, 15215880), (2, 7607940), (3, 5071960), (4, 3803970), (5, 3043176), (6, 2535980), (8, 1901985), (10, 1521588), (12, 1267990), (15, 1014392), (20, 760794), (23, 661560), (24, 633995), (30, 507196), (37, 411240), (40, 380397), (46, 330780), (60, 253598), (69, 220520), (74, 205620), (92, 165390), (111, 137080), (115, 132312), (120, 126799), (138, 110260), (148, 102810), (149, 102120), (184, 82695), (185, 82248), (222, 68540), (230, 66156), (276, 55130), (296, 51405), (298, 51060), (345, 44104), (370, 41124), (444, 34270), (447, 34040), (460, 33078), (552, 27565), (555, 27416), (596, 25530), (690, 22052), (740, 20562), (745, 20424), (851, 17880), (888, 17135), (894, 17020), (920, 16539), (1110, 13708), (1192, 12765), (1380, 11026), (1480, 10281), (1490, 10212), (1702, 8940), (1788, 8510), (2220, 6854), (2235, 6808), (2553, 5960), (2760, 5513), (2980, 5106), (3404, 4470), (3427, 4440), (3576, 4255)]