285712440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{7963}}^1$

素因数の和:8013

約数の個数: 128

約数和(自身を含む): 963325440

約数和(自身を除く): 677613000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 23, 24, 26, 30, 39, 40, 46, 52, 60, 65, 69, 78, 92, 104, 115, 120, 130, 138, 156, 184, 195, 230, 260, 276, 299, 312, 345, 390, 460, 520, 552, 598, 690, 780, 897, 920, 1196, 1380, 1495, 1560, 1794, 2392, 2760, 2990, 3588, 4485, 5980, 7176, 7963, 8970, 11960, 15926, 17940, 23889, 31852, 35880, 39815, 47778, 63704, 79630, 95556, 103519, 119445, 159260, 183149, 191112, 207038, 238890, 310557, 318520, 366298, 414076, 477780, 517595, 549447, 621114, 732596, 828152, 915745, 955560, 1035190, 1098894, 1242228, 1465192, 1552785, 1831490, 2070380, 2197788, 2380937, 2484456, 2747235, 3105570, 3662980, 4140760, 4395576, 4761874, 5494470, 6211140, 7142811, 7325960, 9523748, 10988940, 11904685, 12422280, 14285622, 19047496, 21977880, 23809370, 28571244, 35714055, 47618740, 57142488, 71428110, 95237480, 142856220, 285712440]

約数ペア:

[(1, 285712440), (2, 142856220), (3, 95237480), (4, 71428110), (5, 57142488), (6, 47618740), (8, 35714055), (10, 28571244), (12, 23809370), (13, 21977880), (15, 19047496), (20, 14285622), (23, 12422280), (24, 11904685), (26, 10988940), (30, 9523748), (39, 7325960), (40, 7142811), (46, 6211140), (52, 5494470), (60, 4761874), (65, 4395576), (69, 4140760), (78, 3662980), (92, 3105570), (104, 2747235), (115, 2484456), (120, 2380937), (130, 2197788), (138, 2070380), (156, 1831490), (184, 1552785), (195, 1465192), (230, 1242228), (260, 1098894), (276, 1035190), (299, 955560), (312, 915745), (345, 828152), (390, 732596), (460, 621114), (520, 549447), (552, 517595), (598, 477780), (690, 414076), (780, 366298), (897, 318520), (920, 310557), (1196, 238890), (1380, 207038), (1495, 191112), (1560, 183149), (1794, 159260), (2392, 119445), (2760, 103519), (2990, 95556), (3588, 79630), (4485, 63704), (5980, 47778), (7176, 39815), (7963, 35880), (8970, 31852), (11960, 23889), (15926, 17940)]