328615040

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{311}}^1$

素因数の和:470

約数の個数: 128

約数和(自身を含む): 855429120

約数和(自身を除く): 526814080

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 127, 128, 130, 160, 208, 254, 260, 311, 320, 416, 508, 520, 622, 635, 640, 832, 1016, 1040, 1244, 1270, 1555, 1651, 1664, 2032, 2080, 2488, 2540, 3110, 3302, 4043, 4064, 4160, 4976, 5080, 6220, 6604, 8086, 8128, 8255, 8320, 9952, 10160, 12440, 13208, 16172, 16256, 16510, 19904, 20215, 20320, 24880, 26416, 32344, 33020, 39497, 39808, 40430, 40640, 49760, 52832, 64688, 66040, 78994, 80860, 81280, 99520, 105664, 129376, 132080, 157988, 161720, 197485, 199040, 211328, 258752, 264160, 315976, 323440, 394970, 513461, 517504, 528320, 631952, 646880, 789940, 1026922, 1056640, 1263904, 1293760, 1579880, 2053844, 2527808, 2567305, 2587520, 3159760, 4107688, 5055616, 5134610, 6319520, 8215376, 10269220, 12639040, 16430752, 20538440, 25278080, 32861504, 41076880, 65723008, 82153760, 164307520, 328615040]

約数ペア:

[(1, 328615040), (2, 164307520), (4, 82153760), (5, 65723008), (8, 41076880), (10, 32861504), (13, 25278080), (16, 20538440), (20, 16430752), (26, 12639040), (32, 10269220), (40, 8215376), (52, 6319520), (64, 5134610), (65, 5055616), (80, 4107688), (104, 3159760), (127, 2587520), (128, 2567305), (130, 2527808), (160, 2053844), (208, 1579880), (254, 1293760), (260, 1263904), (311, 1056640), (320, 1026922), (416, 789940), (508, 646880), (520, 631952), (622, 528320), (635, 517504), (640, 513461), (832, 394970), (1016, 323440), (1040, 315976), (1244, 264160), (1270, 258752), (1555, 211328), (1651, 199040), (1664, 197485), (2032, 161720), (2080, 157988), (2488, 132080), (2540, 129376), (3110, 105664), (3302, 99520), (4043, 81280), (4064, 80860), (4160, 78994), (4976, 66040), (5080, 64688), (6220, 52832), (6604, 49760), (8086, 40640), (8128, 40430), (8255, 39808), (8320, 39497), (9952, 33020), (10160, 32344), (12440, 26416), (13208, 24880), (16172, 20320), (16256, 20215), (16510, 19904)]