91229320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{353}}^1$

素因数の和:455

約数の個数: 128

約数和(自身を含む): 256919040

約数和(自身を除く): 165689720

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 71, 91, 104, 130, 140, 142, 182, 260, 280, 284, 353, 355, 364, 455, 497, 520, 568, 706, 710, 728, 910, 923, 994, 1412, 1420, 1765, 1820, 1846, 1988, 2471, 2485, 2824, 2840, 3530, 3640, 3692, 3976, 4589, 4615, 4942, 4970, 6461, 7060, 7384, 9178, 9230, 9884, 9940, 12355, 12922, 14120, 18356, 18460, 19768, 19880, 22945, 24710, 25063, 25844, 32123, 32305, 36712, 36920, 45890, 49420, 50126, 51688, 64246, 64610, 91780, 98840, 100252, 125315, 128492, 129220, 160615, 175441, 183560, 200504, 250630, 256984, 258440, 321230, 325819, 350882, 501260, 642460, 651638, 701764, 877205, 1002520, 1284920, 1303276, 1403528, 1629095, 1754410, 2280733, 2606552, 3258190, 3508820, 4561466, 6516380, 7017640, 9122932, 11403665, 13032760, 18245864, 22807330, 45614660, 91229320]

約数ペア:

[(1, 91229320), (2, 45614660), (4, 22807330), (5, 18245864), (7, 13032760), (8, 11403665), (10, 9122932), (13, 7017640), (14, 6516380), (20, 4561466), (26, 3508820), (28, 3258190), (35, 2606552), (40, 2280733), (52, 1754410), (56, 1629095), (65, 1403528), (70, 1303276), (71, 1284920), (91, 1002520), (104, 877205), (130, 701764), (140, 651638), (142, 642460), (182, 501260), (260, 350882), (280, 325819), (284, 321230), (353, 258440), (355, 256984), (364, 250630), (455, 200504), (497, 183560), (520, 175441), (568, 160615), (706, 129220), (710, 128492), (728, 125315), (910, 100252), (923, 98840), (994, 91780), (1412, 64610), (1420, 64246), (1765, 51688), (1820, 50126), (1846, 49420), (1988, 45890), (2471, 36920), (2485, 36712), (2824, 32305), (2840, 32123), (3530, 25844), (3640, 25063), (3692, 24710), (3976, 22945), (4589, 19880), (4615, 19768), (4942, 18460), (4970, 18356), (6461, 14120), (7060, 12922), (7384, 12355), (9178, 9940), (9230, 9884)]