30431760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1$

素因数の和:225

約数の個数: 160

約数和(自身を含む): 101779200

約数和(自身を除く): 71347440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 37, 40, 46, 48, 60, 69, 74, 80, 92, 111, 115, 120, 138, 148, 149, 184, 185, 222, 230, 240, 276, 296, 298, 345, 368, 370, 444, 447, 460, 552, 555, 592, 596, 690, 740, 745, 851, 888, 894, 920, 1104, 1110, 1192, 1380, 1480, 1490, 1702, 1776, 1788, 1840, 2220, 2235, 2384, 2553, 2760, 2960, 2980, 3404, 3427, 3576, 4255, 4440, 4470, 5106, 5513, 5520, 5960, 6808, 6854, 7152, 8510, 8880, 8940, 10212, 10281, 11026, 11920, 12765, 13616, 13708, 16539, 17020, 17135, 17880, 20424, 20562, 22052, 25530, 27416, 27565, 33078, 34040, 34270, 35760, 40848, 41124, 44104, 51060, 51405, 54832, 55130, 66156, 68080, 68540, 82248, 82695, 88208, 102120, 102810, 110260, 126799, 132312, 137080, 164496, 165390, 204240, 205620, 220520, 253598, 264624, 274160, 330780, 380397, 411240, 441040, 507196, 633995, 661560, 760794, 822480, 1014392, 1267990, 1323120, 1521588, 1901985, 2028784, 2535980, 3043176, 3803970, 5071960, 6086352, 7607940, 10143920, 15215880, 30431760]

約数ペア:

[(1, 30431760), (2, 15215880), (3, 10143920), (4, 7607940), (5, 6086352), (6, 5071960), (8, 3803970), (10, 3043176), (12, 2535980), (15, 2028784), (16, 1901985), (20, 1521588), (23, 1323120), (24, 1267990), (30, 1014392), (37, 822480), (40, 760794), (46, 661560), (48, 633995), (60, 507196), (69, 441040), (74, 411240), (80, 380397), (92, 330780), (111, 274160), (115, 264624), (120, 253598), (138, 220520), (148, 205620), (149, 204240), (184, 165390), (185, 164496), (222, 137080), (230, 132312), (240, 126799), (276, 110260), (296, 102810), (298, 102120), (345, 88208), (368, 82695), (370, 82248), (444, 68540), (447, 68080), (460, 66156), (552, 55130), (555, 54832), (592, 51405), (596, 51060), (690, 44104), (740, 41124), (745, 40848), (851, 35760), (888, 34270), (894, 34040), (920, 33078), (1104, 27565), (1110, 27416), (1192, 25530), (1380, 22052), (1480, 20562), (1490, 20424), (1702, 17880), (1776, 17135), (1788, 17020), (1840, 16539), (2220, 13708), (2235, 13616), (2384, 12765), (2553, 11920), (2760, 11026), (2960, 10281), (2980, 10212), (3404, 8940), (3427, 8880), (3576, 8510), (4255, 7152), (4440, 6854), (4470, 6808), (5106, 5960), (5513, 5520)]