281858720

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{127}}^1$

素因数の和:263

約数の個数: 192

約数和(自身を含む): 796594176

約数和(自身を除く): 514735456

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 32, 40, 44, 52, 55, 65, 80, 88, 97, 104, 110, 127, 130, 143, 160, 176, 194, 208, 220, 254, 260, 286, 352, 388, 416, 440, 485, 508, 520, 572, 635, 715, 776, 880, 970, 1016, 1040, 1067, 1144, 1261, 1270, 1397, 1430, 1552, 1651, 1760, 1940, 2032, 2080, 2134, 2288, 2522, 2540, 2794, 2860, 3104, 3302, 3880, 4064, 4268, 4576, 5044, 5080, 5335, 5588, 5720, 6305, 6604, 6985, 7760, 8255, 8536, 10088, 10160, 10670, 11176, 11440, 12319, 12610, 13208, 13871, 13970, 15520, 16510, 17072, 18161, 20176, 20320, 21340, 22352, 22880, 24638, 25220, 26416, 27742, 27940, 33020, 34144, 36322, 40352, 42680, 44704, 49276, 50440, 52832, 55484, 55880, 61595, 66040, 69355, 72644, 85360, 90805, 98552, 100880, 110968, 111760, 123190, 132080, 135509, 138710, 145288, 160147, 170720, 181610, 197104, 201760, 221936, 223520, 246380, 264160, 271018, 277420, 290576, 320294, 363220, 394208, 443872, 492760, 542036, 554840, 581152, 640588, 677545, 726440, 800735, 985520, 1084072, 1109680, 1281176, 1355090, 1452880, 1601470, 1761617, 1971040, 2168144, 2219360, 2562352, 2710180, 2905760, 3202940, 3523234, 4336288, 5124704, 5420360, 6405880, 7046468, 8808085, 10840720, 12811760, 14092936, 17616170, 21681440, 25623520, 28185872, 35232340, 56371744, 70464680, 140929360, 281858720]

約数ペア:

[(1, 281858720), (2, 140929360), (4, 70464680), (5, 56371744), (8, 35232340), (10, 28185872), (11, 25623520), (13, 21681440), (16, 17616170), (20, 14092936), (22, 12811760), (26, 10840720), (32, 8808085), (40, 7046468), (44, 6405880), (52, 5420360), (55, 5124704), (65, 4336288), (80, 3523234), (88, 3202940), (97, 2905760), (104, 2710180), (110, 2562352), (127, 2219360), (130, 2168144), (143, 1971040), (160, 1761617), (176, 1601470), (194, 1452880), (208, 1355090), (220, 1281176), (254, 1109680), (260, 1084072), (286, 985520), (352, 800735), (388, 726440), (416, 677545), (440, 640588), (485, 581152), (508, 554840), (520, 542036), (572, 492760), (635, 443872), (715, 394208), (776, 363220), (880, 320294), (970, 290576), (1016, 277420), (1040, 271018), (1067, 264160), (1144, 246380), (1261, 223520), (1270, 221936), (1397, 201760), (1430, 197104), (1552, 181610), (1651, 170720), (1760, 160147), (1940, 145288), (2032, 138710), (2080, 135509), (2134, 132080), (2288, 123190), (2522, 111760), (2540, 110968), (2794, 100880), (2860, 98552), (3104, 90805), (3302, 85360), (3880, 72644), (4064, 69355), (4268, 66040), (4576, 61595), (5044, 55880), (5080, 55484), (5335, 52832), (5588, 50440), (5720, 49276), (6305, 44704), (6604, 42680), (6985, 40352), (7760, 36322), (8255, 34144), (8536, 33020), (10088, 27940), (10160, 27742), (10670, 26416), (11176, 25220), (11440, 24638), (12319, 22880), (12610, 22352), (13208, 21340), (13871, 20320), (13970, 20176), (15520, 18161), (16510, 17072)]