164278520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{157}}^1$

素因数の和:313

約数の個数: 128

約数和(自身を含む): 440933760

約数和(自身を除く): 276655240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 56, 70, 74, 101, 140, 148, 157, 185, 202, 259, 280, 296, 314, 370, 404, 505, 518, 628, 707, 740, 785, 808, 1010, 1036, 1099, 1256, 1295, 1414, 1480, 1570, 2020, 2072, 2198, 2590, 2828, 3140, 3535, 3737, 4040, 4396, 5180, 5495, 5656, 5809, 6280, 7070, 7474, 8792, 10360, 10990, 11618, 14140, 14948, 15857, 18685, 21980, 23236, 26159, 28280, 29045, 29896, 31714, 37370, 40663, 43960, 46472, 52318, 58090, 63428, 74740, 79285, 81326, 104636, 110999, 116180, 126856, 130795, 149480, 158570, 162652, 203315, 209272, 221998, 232360, 261590, 317140, 325304, 406630, 443996, 523180, 554995, 586709, 634280, 813260, 887992, 1046360, 1109990, 1173418, 1626520, 2219980, 2346836, 2933545, 4106963, 4439960, 4693672, 5867090, 8213926, 11734180, 16427852, 20534815, 23468360, 32855704, 41069630, 82139260, 164278520]

約数ペア:

[(1, 164278520), (2, 82139260), (4, 41069630), (5, 32855704), (7, 23468360), (8, 20534815), (10, 16427852), (14, 11734180), (20, 8213926), (28, 5867090), (35, 4693672), (37, 4439960), (40, 4106963), (56, 2933545), (70, 2346836), (74, 2219980), (101, 1626520), (140, 1173418), (148, 1109990), (157, 1046360), (185, 887992), (202, 813260), (259, 634280), (280, 586709), (296, 554995), (314, 523180), (370, 443996), (404, 406630), (505, 325304), (518, 317140), (628, 261590), (707, 232360), (740, 221998), (785, 209272), (808, 203315), (1010, 162652), (1036, 158570), (1099, 149480), (1256, 130795), (1295, 126856), (1414, 116180), (1480, 110999), (1570, 104636), (2020, 81326), (2072, 79285), (2198, 74740), (2590, 63428), (2828, 58090), (3140, 52318), (3535, 46472), (3737, 43960), (4040, 40663), (4396, 37370), (5180, 31714), (5495, 29896), (5656, 29045), (5809, 28280), (6280, 26159), (7070, 23236), (7474, 21980), (8792, 18685), (10360, 15857), (10990, 14948), (11618, 14140)]