259996555840

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{720931}}^1$

素因数の和:720985

約数の個数: 168

約数和(自身を含む): 751511051712

約数和(自身を除く): 491514495872

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 49, 56, 64, 70, 80, 92, 98, 112, 115, 140, 160, 161, 184, 196, 224, 230, 245, 280, 320, 322, 368, 392, 448, 460, 490, 560, 644, 736, 784, 805, 920, 980, 1120, 1127, 1288, 1472, 1568, 1610, 1840, 1960, 2240, 2254, 2576, 3136, 3220, 3680, 3920, 4508, 5152, 5635, 6440, 7360, 7840, 9016, 10304, 11270, 12880, 15680, 18032, 22540, 25760, 36064, 45080, 51520, 72128, 90160, 180320, 360640, 720931, 1441862, 2883724, 3604655, 5046517, 5767448, 7209310, 10093034, 11534896, 14418620, 16581413, 20186068, 23069792, 25232585, 28837240, 33162826, 35325619, 40372136, 46139584, 50465170, 57674480, 66325652, 70651238, 80744272, 82907065, 100930340, 115348960, 116069891, 132651304, 141302476, 161488544, 165814130, 176628095, 201860680, 230697920, 232139782, 265302608, 282604952, 322977088, 331628260, 353256190, 403721360, 464279564, 530605216, 565209904, 580349455, 663256520, 706512380, 807442720, 812489237, 928559128, 1061210432, 1130419808, 1160698910, 1326513040, 1413024760, 1614885440, 1624978474, 1857118256, 2260839616, 2321397820, 2653026080, 2826049520, 3249956948, 3714236512, 4062446185, 4642795640, 5306052160, 5652099040, 6499913896, 7428473024, 8124892370, 9285591280, 11304198080, 12999827792, 16249784740, 18571182560, 25999655584, 32499569480, 37142365120, 51999311168, 64999138960, 129998277920, 259996555840]

約数ペア:

[(1, 259996555840), (2, 129998277920), (4, 64999138960), (5, 51999311168), (7, 37142365120), (8, 32499569480), (10, 25999655584), (14, 18571182560), (16, 16249784740), (20, 12999827792), (23, 11304198080), (28, 9285591280), (32, 8124892370), (35, 7428473024), (40, 6499913896), (46, 5652099040), (49, 5306052160), (56, 4642795640), (64, 4062446185), (70, 3714236512), (80, 3249956948), (92, 2826049520), (98, 2653026080), (112, 2321397820), (115, 2260839616), (140, 1857118256), (160, 1624978474), (161, 1614885440), (184, 1413024760), (196, 1326513040), (224, 1160698910), (230, 1130419808), (245, 1061210432), (280, 928559128), (320, 812489237), (322, 807442720), (368, 706512380), (392, 663256520), (448, 580349455), (460, 565209904), (490, 530605216), (560, 464279564), (644, 403721360), (736, 353256190), (784, 331628260), (805, 322977088), (920, 282604952), (980, 265302608), (1120, 232139782), (1127, 230697920), (1288, 201860680), (1472, 176628095), (1568, 165814130), (1610, 161488544), (1840, 141302476), (1960, 132651304), (2240, 116069891), (2254, 115348960), (2576, 100930340), (3136, 82907065), (3220, 80744272), (3680, 70651238), (3920, 66325652), (4508, 57674480), (5152, 50465170), (5635, 46139584), (6440, 40372136), (7360, 35325619), (7840, 33162826), (9016, 28837240), (10304, 25232585), (11270, 23069792), (12880, 20186068), (15680, 16581413), (18032, 14418620), (22540, 11534896), (25760, 10093034), (36064, 7209310), (45080, 5767448), (51520, 5046517), (72128, 3604655), (90160, 2883724), (180320, 1441862), (360640, 720931)]