81960840

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{211}}^1$

素因数の和:324

約数の個数: 192

約数和(自身を含む): 291695040

約数和(自身を除く): 209734200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 60, 65, 72, 78, 83, 90, 104, 117, 120, 130, 156, 166, 180, 195, 211, 234, 249, 260, 312, 332, 360, 390, 415, 422, 468, 498, 520, 585, 633, 664, 747, 780, 830, 844, 936, 996, 1055, 1079, 1170, 1245, 1266, 1494, 1560, 1660, 1688, 1899, 1992, 2110, 2158, 2340, 2490, 2532, 2743, 2988, 3165, 3237, 3320, 3735, 3798, 4220, 4316, 4680, 4980, 5064, 5395, 5486, 5976, 6330, 6474, 7470, 7596, 8229, 8440, 8632, 9495, 9711, 9960, 10790, 10972, 12660, 12948, 13715, 14940, 15192, 16185, 16458, 17513, 18990, 19422, 21580, 21944, 24687, 25320, 25896, 27430, 29880, 32370, 32916, 35026, 37980, 38844, 41145, 43160, 48555, 49374, 52539, 54860, 64740, 65832, 70052, 75960, 77688, 82290, 87565, 97110, 98748, 105078, 109720, 123435, 129480, 140104, 157617, 164580, 175130, 194220, 197496, 210156, 227669, 246870, 262695, 315234, 329160, 350260, 388440, 420312, 455338, 493740, 525390, 630468, 683007, 700520, 788085, 910676, 987480, 1050780, 1138345, 1260936, 1366014, 1576170, 1821352, 2049021, 2101560, 2276690, 2732028, 3152340, 3415035, 4098042, 4553380, 5464056, 6304680, 6830070, 8196084, 9106760, 10245105, 13660140, 16392168, 20490210, 27320280, 40980420, 81960840]

約数ペア:

[(1, 81960840), (2, 40980420), (3, 27320280), (4, 20490210), (5, 16392168), (6, 13660140), (8, 10245105), (9, 9106760), (10, 8196084), (12, 6830070), (13, 6304680), (15, 5464056), (18, 4553380), (20, 4098042), (24, 3415035), (26, 3152340), (30, 2732028), (36, 2276690), (39, 2101560), (40, 2049021), (45, 1821352), (52, 1576170), (60, 1366014), (65, 1260936), (72, 1138345), (78, 1050780), (83, 987480), (90, 910676), (104, 788085), (117, 700520), (120, 683007), (130, 630468), (156, 525390), (166, 493740), (180, 455338), (195, 420312), (211, 388440), (234, 350260), (249, 329160), (260, 315234), (312, 262695), (332, 246870), (360, 227669), (390, 210156), (415, 197496), (422, 194220), (468, 175130), (498, 164580), (520, 157617), (585, 140104), (633, 129480), (664, 123435), (747, 109720), (780, 105078), (830, 98748), (844, 97110), (936, 87565), (996, 82290), (1055, 77688), (1079, 75960), (1170, 70052), (1245, 65832), (1266, 64740), (1494, 54860), (1560, 52539), (1660, 49374), (1688, 48555), (1899, 43160), (1992, 41145), (2110, 38844), (2158, 37980), (2340, 35026), (2490, 32916), (2532, 32370), (2743, 29880), (2988, 27430), (3165, 25896), (3237, 25320), (3320, 24687), (3735, 21944), (3798, 21580), (4220, 19422), (4316, 18990), (4680, 17513), (4980, 16458), (5064, 16185), (5395, 15192), (5486, 14940), (5976, 13715), (6330, 12948), (6474, 12660), (7470, 10972), (7596, 10790), (8229, 9960), (8440, 9711), (8632, 9495)]