168208040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{4201}}^1$

素因数の和:4243

約数の個数: 128

約数和(自身を含む): 508273920

約数和(自身を除く): 340065880

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 20, 22, 26, 28, 35, 40, 44, 52, 55, 56, 65, 70, 77, 88, 91, 104, 110, 130, 140, 143, 154, 182, 220, 260, 280, 286, 308, 364, 385, 440, 455, 520, 572, 616, 715, 728, 770, 910, 1001, 1144, 1430, 1540, 1820, 2002, 2860, 3080, 3640, 4004, 4201, 5005, 5720, 8008, 8402, 10010, 16804, 20020, 21005, 29407, 33608, 40040, 42010, 46211, 54613, 58814, 84020, 92422, 109226, 117628, 147035, 168040, 184844, 218452, 231055, 235256, 273065, 294070, 323477, 369688, 382291, 436904, 462110, 546130, 588140, 600743, 646954, 764582, 924220, 1092260, 1176280, 1201486, 1293908, 1529164, 1617385, 1848440, 1911455, 2184520, 2402972, 2587816, 3003715, 3058328, 3234770, 3822910, 4205201, 4805944, 6007430, 6469540, 7645820, 8410402, 12014860, 12939080, 15291640, 16820804, 21026005, 24029720, 33641608, 42052010, 84104020, 168208040]

約数ペア:

[(1, 168208040), (2, 84104020), (4, 42052010), (5, 33641608), (7, 24029720), (8, 21026005), (10, 16820804), (11, 15291640), (13, 12939080), (14, 12014860), (20, 8410402), (22, 7645820), (26, 6469540), (28, 6007430), (35, 4805944), (40, 4205201), (44, 3822910), (52, 3234770), (55, 3058328), (56, 3003715), (65, 2587816), (70, 2402972), (77, 2184520), (88, 1911455), (91, 1848440), (104, 1617385), (110, 1529164), (130, 1293908), (140, 1201486), (143, 1176280), (154, 1092260), (182, 924220), (220, 764582), (260, 646954), (280, 600743), (286, 588140), (308, 546130), (364, 462110), (385, 436904), (440, 382291), (455, 369688), (520, 323477), (572, 294070), (616, 273065), (715, 235256), (728, 231055), (770, 218452), (910, 184844), (1001, 168040), (1144, 147035), (1430, 117628), (1540, 109226), (1820, 92422), (2002, 84020), (2860, 58814), (3080, 54613), (3640, 46211), (4004, 42010), (4201, 40040), (5005, 33608), (5720, 29407), (8008, 21005), (8402, 20020), (10010, 16804)]