71007440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1$

素因数の和:229

約数の個数: 160

約数和(自身を含む): 203558400

約数和(自身を除く): 132550960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 37, 40, 46, 56, 70, 74, 80, 92, 112, 115, 140, 148, 149, 161, 184, 185, 230, 259, 280, 296, 298, 322, 368, 370, 460, 518, 560, 592, 596, 644, 740, 745, 805, 851, 920, 1036, 1043, 1192, 1288, 1295, 1480, 1490, 1610, 1702, 1840, 2072, 2086, 2384, 2576, 2590, 2960, 2980, 3220, 3404, 3427, 4144, 4172, 4255, 5180, 5215, 5513, 5957, 5960, 6440, 6808, 6854, 8344, 8510, 10360, 10430, 11026, 11914, 11920, 12880, 13616, 13708, 16688, 17020, 17135, 20720, 20860, 22052, 23828, 23989, 27416, 27565, 29785, 34040, 34270, 38591, 41720, 44104, 47656, 47978, 54832, 55130, 59570, 68080, 68540, 77182, 83440, 88208, 95312, 95956, 110260, 119140, 119945, 126799, 137080, 154364, 191912, 192955, 220520, 238280, 239890, 253598, 274160, 308728, 383824, 385910, 441040, 476560, 479780, 507196, 617456, 633995, 771820, 887593, 959560, 1014392, 1267990, 1543640, 1775186, 1919120, 2028784, 2535980, 3087280, 3550372, 4437965, 5071960, 7100744, 8875930, 10143920, 14201488, 17751860, 35503720, 71007440]

約数ペア:

[(1, 71007440), (2, 35503720), (4, 17751860), (5, 14201488), (7, 10143920), (8, 8875930), (10, 7100744), (14, 5071960), (16, 4437965), (20, 3550372), (23, 3087280), (28, 2535980), (35, 2028784), (37, 1919120), (40, 1775186), (46, 1543640), (56, 1267990), (70, 1014392), (74, 959560), (80, 887593), (92, 771820), (112, 633995), (115, 617456), (140, 507196), (148, 479780), (149, 476560), (161, 441040), (184, 385910), (185, 383824), (230, 308728), (259, 274160), (280, 253598), (296, 239890), (298, 238280), (322, 220520), (368, 192955), (370, 191912), (460, 154364), (518, 137080), (560, 126799), (592, 119945), (596, 119140), (644, 110260), (740, 95956), (745, 95312), (805, 88208), (851, 83440), (920, 77182), (1036, 68540), (1043, 68080), (1192, 59570), (1288, 55130), (1295, 54832), (1480, 47978), (1490, 47656), (1610, 44104), (1702, 41720), (1840, 38591), (2072, 34270), (2086, 34040), (2384, 29785), (2576, 27565), (2590, 27416), (2960, 23989), (2980, 23828), (3220, 22052), (3404, 20860), (3427, 20720), (4144, 17135), (4172, 17020), (4255, 16688), (5180, 13708), (5215, 13616), (5513, 12880), (5957, 11920), (5960, 11914), (6440, 11026), (6808, 10430), (6854, 10360), (8344, 8510)]