16280320

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1$

素因数の和:130

約数の個数: 144

約数和(自身を含む): 47093760

約数和(自身を除く): 30813440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 56, 64, 70, 79, 80, 92, 112, 115, 128, 140, 158, 160, 161, 184, 224, 230, 256, 280, 316, 320, 322, 368, 395, 448, 460, 553, 560, 632, 640, 644, 736, 790, 805, 896, 920, 1106, 1120, 1264, 1280, 1288, 1472, 1580, 1610, 1792, 1817, 1840, 2212, 2240, 2528, 2576, 2765, 2944, 3160, 3220, 3634, 3680, 4424, 4480, 5056, 5152, 5530, 5888, 6320, 6440, 7268, 7360, 8848, 8960, 9085, 10112, 10304, 11060, 12640, 12719, 12880, 14536, 14720, 17696, 18170, 20224, 20608, 22120, 25280, 25438, 25760, 29072, 29440, 35392, 36340, 41216, 44240, 50560, 50876, 51520, 58144, 63595, 70784, 72680, 88480, 101120, 101752, 103040, 116288, 127190, 141568, 145360, 176960, 203504, 206080, 232576, 254380, 290720, 353920, 407008, 465152, 508760, 581440, 707840, 814016, 1017520, 1162880, 1628032, 2035040, 2325760, 3256064, 4070080, 8140160, 16280320]

約数ペア:

[(1, 16280320), (2, 8140160), (4, 4070080), (5, 3256064), (7, 2325760), (8, 2035040), (10, 1628032), (14, 1162880), (16, 1017520), (20, 814016), (23, 707840), (28, 581440), (32, 508760), (35, 465152), (40, 407008), (46, 353920), (56, 290720), (64, 254380), (70, 232576), (79, 206080), (80, 203504), (92, 176960), (112, 145360), (115, 141568), (128, 127190), (140, 116288), (158, 103040), (160, 101752), (161, 101120), (184, 88480), (224, 72680), (230, 70784), (256, 63595), (280, 58144), (316, 51520), (320, 50876), (322, 50560), (368, 44240), (395, 41216), (448, 36340), (460, 35392), (553, 29440), (560, 29072), (632, 25760), (640, 25438), (644, 25280), (736, 22120), (790, 20608), (805, 20224), (896, 18170), (920, 17696), (1106, 14720), (1120, 14536), (1264, 12880), (1280, 12719), (1288, 12640), (1472, 11060), (1580, 10304), (1610, 10112), (1792, 9085), (1817, 8960), (1840, 8848), (2212, 7360), (2240, 7268), (2528, 6440), (2576, 6320), (2765, 5888), (2944, 5530), (3160, 5152), (3220, 5056), (3634, 4480), (3680, 4424)]