1636491520

素因数分解:

$2^8\times 5^1\times {\mathrm{127}}^1\times {\mathrm{10067}}^1$

素因数の和:10215

約数の個数: 72

約数和(自身を含む): 3951166464

約数和(自身を除く): 2314674944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 128, 160, 254, 256, 320, 508, 635, 640, 1016, 1270, 1280, 2032, 2540, 4064, 5080, 8128, 10067, 10160, 16256, 20134, 20320, 32512, 40268, 40640, 50335, 80536, 81280, 100670, 161072, 162560, 201340, 322144, 402680, 644288, 805360, 1278509, 1288576, 1610720, 2557018, 2577152, 3221440, 5114036, 6392545, 6442880, 10228072, 12785090, 12885760, 20456144, 25570180, 40912288, 51140360, 81824576, 102280720, 163649152, 204561440, 327298304, 409122880, 818245760, 1636491520]

約数ペア:

[(1, 1636491520), (2, 818245760), (4, 409122880), (5, 327298304), (8, 204561440), (10, 163649152), (16, 102280720), (20, 81824576), (32, 51140360), (40, 40912288), (64, 25570180), (80, 20456144), (127, 12885760), (128, 12785090), (160, 10228072), (254, 6442880), (256, 6392545), (320, 5114036), (508, 3221440), (635, 2577152), (640, 2557018), (1016, 1610720), (1270, 1288576), (1280, 1278509), (2032, 805360), (2540, 644288), (4064, 402680), (5080, 322144), (8128, 201340), (10067, 162560), (10160, 161072), (16256, 100670), (20134, 81280), (20320, 80536), (32512, 50335), (40268, 40640)]