81646320

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2113}}^1$

素因数の和:2159

約数の個数: 160

約数和(自身を含む): 301980672

約数和(自身を除く): 220334352

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 23, 24, 28, 30, 35, 40, 42, 46, 48, 56, 60, 69, 70, 80, 84, 92, 105, 112, 115, 120, 138, 140, 161, 168, 184, 210, 230, 240, 276, 280, 322, 336, 345, 368, 420, 460, 483, 552, 560, 644, 690, 805, 840, 920, 966, 1104, 1288, 1380, 1610, 1680, 1840, 1932, 2113, 2415, 2576, 2760, 3220, 3864, 4226, 4830, 5520, 6339, 6440, 7728, 8452, 9660, 10565, 12678, 12880, 14791, 16904, 19320, 21130, 25356, 29582, 31695, 33808, 38640, 42260, 44373, 48599, 50712, 59164, 63390, 73955, 84520, 88746, 97198, 101424, 118328, 126780, 145797, 147910, 169040, 177492, 194396, 221865, 236656, 242995, 253560, 291594, 295820, 340193, 354984, 388792, 443730, 485990, 507120, 583188, 591640, 680386, 709968, 728985, 777584, 887460, 971980, 1020579, 1166376, 1183280, 1360772, 1457970, 1700965, 1774920, 1943960, 2041158, 2332752, 2721544, 2915940, 3401930, 3549840, 3887920, 4082316, 5102895, 5443088, 5831880, 6803860, 8164632, 10205790, 11663760, 13607720, 16329264, 20411580, 27215440, 40823160, 81646320]

約数ペア:

[(1, 81646320), (2, 40823160), (3, 27215440), (4, 20411580), (5, 16329264), (6, 13607720), (7, 11663760), (8, 10205790), (10, 8164632), (12, 6803860), (14, 5831880), (15, 5443088), (16, 5102895), (20, 4082316), (21, 3887920), (23, 3549840), (24, 3401930), (28, 2915940), (30, 2721544), (35, 2332752), (40, 2041158), (42, 1943960), (46, 1774920), (48, 1700965), (56, 1457970), (60, 1360772), (69, 1183280), (70, 1166376), (80, 1020579), (84, 971980), (92, 887460), (105, 777584), (112, 728985), (115, 709968), (120, 680386), (138, 591640), (140, 583188), (161, 507120), (168, 485990), (184, 443730), (210, 388792), (230, 354984), (240, 340193), (276, 295820), (280, 291594), (322, 253560), (336, 242995), (345, 236656), (368, 221865), (420, 194396), (460, 177492), (483, 169040), (552, 147910), (560, 145797), (644, 126780), (690, 118328), (805, 101424), (840, 97198), (920, 88746), (966, 84520), (1104, 73955), (1288, 63390), (1380, 59164), (1610, 50712), (1680, 48599), (1840, 44373), (1932, 42260), (2113, 38640), (2415, 33808), (2576, 31695), (2760, 29582), (3220, 25356), (3864, 21130), (4226, 19320), (4830, 16904), (5520, 14791), (6339, 12880), (6440, 12678), (7728, 10565), (8452, 9660)]