87664720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1$

素因数の和:213

約数の個数: 160

約数和(自身を含む): 244984320

約数和(自身を除く): 157319600

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 40, 44, 52, 55, 65, 79, 80, 88, 97, 104, 110, 130, 143, 158, 176, 194, 208, 220, 260, 286, 316, 388, 395, 440, 485, 520, 572, 632, 715, 776, 790, 869, 880, 970, 1027, 1040, 1067, 1144, 1261, 1264, 1430, 1552, 1580, 1738, 1940, 2054, 2134, 2288, 2522, 2860, 3160, 3476, 3880, 4108, 4268, 4345, 5044, 5135, 5335, 5720, 6305, 6320, 6952, 7663, 7760, 8216, 8536, 8690, 10088, 10270, 10670, 11297, 11440, 12610, 13871, 13904, 15326, 16432, 17072, 17380, 20176, 20540, 21340, 22594, 25220, 27742, 30652, 34760, 38315, 41080, 42680, 45188, 50440, 55484, 56485, 61304, 69355, 69520, 76630, 82160, 84293, 85360, 90376, 99619, 100880, 110968, 112970, 122608, 138710, 153260, 168586, 180752, 199238, 221936, 225940, 277420, 306520, 337172, 398476, 421465, 451880, 498095, 554840, 613040, 674344, 796952, 842930, 903760, 996190, 1095809, 1109680, 1348688, 1593904, 1685860, 1992380, 2191618, 3371720, 3984760, 4383236, 5479045, 6743440, 7969520, 8766472, 10958090, 17532944, 21916180, 43832360, 87664720]

約数ペア:

[(1, 87664720), (2, 43832360), (4, 21916180), (5, 17532944), (8, 10958090), (10, 8766472), (11, 7969520), (13, 6743440), (16, 5479045), (20, 4383236), (22, 3984760), (26, 3371720), (40, 2191618), (44, 1992380), (52, 1685860), (55, 1593904), (65, 1348688), (79, 1109680), (80, 1095809), (88, 996190), (97, 903760), (104, 842930), (110, 796952), (130, 674344), (143, 613040), (158, 554840), (176, 498095), (194, 451880), (208, 421465), (220, 398476), (260, 337172), (286, 306520), (316, 277420), (388, 225940), (395, 221936), (440, 199238), (485, 180752), (520, 168586), (572, 153260), (632, 138710), (715, 122608), (776, 112970), (790, 110968), (869, 100880), (880, 99619), (970, 90376), (1027, 85360), (1040, 84293), (1067, 82160), (1144, 76630), (1261, 69520), (1264, 69355), (1430, 61304), (1552, 56485), (1580, 55484), (1738, 50440), (1940, 45188), (2054, 42680), (2134, 41080), (2288, 38315), (2522, 34760), (2860, 30652), (3160, 27742), (3476, 25220), (3880, 22594), (4108, 21340), (4268, 20540), (4345, 20176), (5044, 17380), (5135, 17072), (5335, 16432), (5720, 15326), (6305, 13904), (6320, 13871), (6952, 12610), (7663, 11440), (7760, 11297), (8216, 10670), (8536, 10270), (8690, 10088)]