320320

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1$

素因数の和:48

約数の個数: 112

約数和(自身を含む): 1024128

約数和(自身を除く): 703808

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 16, 20, 22, 26, 28, 32, 35, 40, 44, 52, 55, 56, 64, 65, 70, 77, 80, 88, 91, 104, 110, 112, 130, 140, 143, 154, 160, 176, 182, 208, 220, 224, 260, 280, 286, 308, 320, 352, 364, 385, 416, 440, 448, 455, 520, 560, 572, 616, 704, 715, 728, 770, 832, 880, 910, 1001, 1040, 1120, 1144, 1232, 1430, 1456, 1540, 1760, 1820, 2002, 2080, 2240, 2288, 2464, 2860, 2912, 3080, 3520, 3640, 4004, 4160, 4576, 4928, 5005, 5720, 5824, 6160, 7280, 8008, 9152, 10010, 11440, 12320, 14560, 16016, 20020, 22880, 24640, 29120, 32032, 40040, 45760, 64064, 80080, 160160, 320320]

約数ペア:

[(1, 320320), (2, 160160), (4, 80080), (5, 64064), (7, 45760), (8, 40040), (10, 32032), (11, 29120), (13, 24640), (14, 22880), (16, 20020), (20, 16016), (22, 14560), (26, 12320), (28, 11440), (32, 10010), (35, 9152), (40, 8008), (44, 7280), (52, 6160), (55, 5824), (56, 5720), (64, 5005), (65, 4928), (70, 4576), (77, 4160), (80, 4004), (88, 3640), (91, 3520), (104, 3080), (110, 2912), (112, 2860), (130, 2464), (140, 2288), (143, 2240), (154, 2080), (160, 2002), (176, 1820), (182, 1760), (208, 1540), (220, 1456), (224, 1430), (260, 1232), (280, 1144), (286, 1120), (308, 1040), (320, 1001), (352, 910), (364, 880), (385, 832), (416, 770), (440, 728), (448, 715), (455, 704), (520, 616), (560, 572)]