71837480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{661}}^1$

素因数の和:715

約数の個数: 128

約数和(自身を含む): 200188800

約数和(自身を除く): 128351320

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 19, 20, 22, 26, 38, 40, 44, 52, 55, 65, 76, 88, 95, 104, 110, 130, 143, 152, 190, 209, 220, 247, 260, 286, 380, 418, 440, 494, 520, 572, 661, 715, 760, 836, 988, 1045, 1144, 1235, 1322, 1430, 1672, 1976, 2090, 2470, 2644, 2717, 2860, 3305, 4180, 4940, 5288, 5434, 5720, 6610, 7271, 8360, 8593, 9880, 10868, 12559, 13220, 13585, 14542, 17186, 21736, 25118, 26440, 27170, 29084, 34372, 36355, 42965, 50236, 54340, 58168, 62795, 68744, 72710, 85930, 94523, 100472, 108680, 125590, 138149, 145420, 163267, 171860, 189046, 251180, 276298, 290840, 326534, 343720, 378092, 472615, 502360, 552596, 653068, 690745, 756184, 816335, 945230, 1105192, 1306136, 1381490, 1632670, 1795937, 1890460, 2762980, 3265340, 3591874, 3780920, 5525960, 6530680, 7183748, 8979685, 14367496, 17959370, 35918740, 71837480]

約数ペア:

[(1, 71837480), (2, 35918740), (4, 17959370), (5, 14367496), (8, 8979685), (10, 7183748), (11, 6530680), (13, 5525960), (19, 3780920), (20, 3591874), (22, 3265340), (26, 2762980), (38, 1890460), (40, 1795937), (44, 1632670), (52, 1381490), (55, 1306136), (65, 1105192), (76, 945230), (88, 816335), (95, 756184), (104, 690745), (110, 653068), (130, 552596), (143, 502360), (152, 472615), (190, 378092), (209, 343720), (220, 326534), (247, 290840), (260, 276298), (286, 251180), (380, 189046), (418, 171860), (440, 163267), (494, 145420), (520, 138149), (572, 125590), (661, 108680), (715, 100472), (760, 94523), (836, 85930), (988, 72710), (1045, 68744), (1144, 62795), (1235, 58168), (1322, 54340), (1430, 50236), (1672, 42965), (1976, 36355), (2090, 34372), (2470, 29084), (2644, 27170), (2717, 26440), (2860, 25118), (3305, 21736), (4180, 17186), (4940, 14542), (5288, 13585), (5434, 13220), (5720, 12559), (6610, 10868), (7271, 9880), (8360, 8593)]