1281445880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{907}}^1$

素因数の和:974

約数の個数: 192

約数和(自身を含む): 3589142400

約数和(自身を除く): 2307696520

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, 169, 190, 209, 220, 247, 260, 286, 338, 380, 418, 440, 494, 520, 572, 676, 715, 760, 836, 845, 907, 988, 1045, 1144, 1235, 1352, 1430, 1672, 1690, 1814, 1859, 1976, 2090, 2470, 2717, 2860, 3211, 3380, 3628, 3718, 4180, 4535, 4940, 5434, 5720, 6422, 6760, 7256, 7436, 8360, 9070, 9295, 9880, 9977, 10868, 11791, 12844, 13585, 14872, 16055, 17233, 18140, 18590, 19954, 21736, 23582, 25688, 27170, 32110, 34466, 35321, 36280, 37180, 39908, 47164, 49885, 54340, 58955, 64220, 68932, 70642, 74360, 79816, 86165, 94328, 99770, 108680, 117910, 128440, 129701, 137864, 141284, 153283, 172330, 176605, 189563, 199540, 224029, 235820, 259402, 282568, 306566, 344660, 353210, 379126, 399080, 448058, 471640, 518804, 613132, 648505, 689320, 706420, 758252, 766415, 896116, 947815, 1037608, 1120145, 1226264, 1297010, 1412840, 1516504, 1532830, 1686113, 1792232, 1895630, 2240290, 2464319, 2594020, 2912377, 3065660, 3372226, 3791260, 4480580, 4928638, 5188040, 5824754, 6131320, 6744452, 7582520, 8430565, 8961160, 9857276, 11649508, 12321595, 13488904, 14561885, 16861130, 19714552, 23299016, 24643190, 29123770, 32036147, 33722260, 49286380, 58247540, 64072294, 67444520, 98572760, 116495080, 128144588, 160180735, 256289176, 320361470, 640722940, 1281445880]

約数ペア:

[(1, 1281445880), (2, 640722940), (4, 320361470), (5, 256289176), (8, 160180735), (10, 128144588), (11, 116495080), (13, 98572760), (19, 67444520), (20, 64072294), (22, 58247540), (26, 49286380), (38, 33722260), (40, 32036147), (44, 29123770), (52, 24643190), (55, 23299016), (65, 19714552), (76, 16861130), (88, 14561885), (95, 13488904), (104, 12321595), (110, 11649508), (130, 9857276), (143, 8961160), (152, 8430565), (169, 7582520), (190, 6744452), (209, 6131320), (220, 5824754), (247, 5188040), (260, 4928638), (286, 4480580), (338, 3791260), (380, 3372226), (418, 3065660), (440, 2912377), (494, 2594020), (520, 2464319), (572, 2240290), (676, 1895630), (715, 1792232), (760, 1686113), (836, 1532830), (845, 1516504), (907, 1412840), (988, 1297010), (1045, 1226264), (1144, 1120145), (1235, 1037608), (1352, 947815), (1430, 896116), (1672, 766415), (1690, 758252), (1814, 706420), (1859, 689320), (1976, 648505), (2090, 613132), (2470, 518804), (2717, 471640), (2860, 448058), (3211, 399080), (3380, 379126), (3628, 353210), (3718, 344660), (4180, 306566), (4535, 282568), (4940, 259402), (5434, 235820), (5720, 224029), (6422, 199540), (6760, 189563), (7256, 176605), (7436, 172330), (8360, 153283), (9070, 141284), (9295, 137864), (9880, 129701), (9977, 128440), (10868, 117910), (11791, 108680), (12844, 99770), (13585, 94328), (14872, 86165), (16055, 79816), (17233, 74360), (18140, 70642), (18590, 68932), (19954, 64220), (21736, 58955), (23582, 54340), (25688, 49885), (27170, 47164), (32110, 39908), (34466, 37180), (35321, 36280)]