127310080

素因数分解:

$2^8\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1259}}^1$

素因数の和:1359

約数の個数: 72

約数和(自身を含む): 309052800

約数和(自身を除く): 181742720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 128, 158, 160, 256, 316, 320, 395, 632, 640, 790, 1259, 1264, 1280, 1580, 2518, 2528, 3160, 5036, 5056, 6295, 6320, 10072, 10112, 12590, 12640, 20144, 20224, 25180, 25280, 40288, 50360, 50560, 80576, 99461, 100720, 101120, 161152, 198922, 201440, 322304, 397844, 402880, 497305, 795688, 805760, 994610, 1591376, 1611520, 1989220, 3182752, 3978440, 6365504, 7956880, 12731008, 15913760, 25462016, 31827520, 63655040, 127310080]

約数ペア:

[(1, 127310080), (2, 63655040), (4, 31827520), (5, 25462016), (8, 15913760), (10, 12731008), (16, 7956880), (20, 6365504), (32, 3978440), (40, 3182752), (64, 1989220), (79, 1611520), (80, 1591376), (128, 994610), (158, 805760), (160, 795688), (256, 497305), (316, 402880), (320, 397844), (395, 322304), (632, 201440), (640, 198922), (790, 161152), (1259, 101120), (1264, 100720), (1280, 99461), (1580, 80576), (2518, 50560), (2528, 50360), (3160, 40288), (5036, 25280), (5056, 25180), (6295, 20224), (6320, 20144), (10072, 12640), (10112, 12590)]