64013840

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{389}}^1$

素因数の和:441

約数の個数: 120

約数和(自身を含む): 173660760

約数和(自身を除く): 109646920

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 34, 40, 44, 55, 68, 80, 85, 88, 110, 121, 136, 170, 176, 187, 220, 242, 272, 340, 374, 389, 440, 484, 605, 680, 748, 778, 880, 935, 968, 1210, 1360, 1496, 1556, 1870, 1936, 1945, 2057, 2420, 2992, 3112, 3740, 3890, 4114, 4279, 4840, 6224, 6613, 7480, 7780, 8228, 8558, 9680, 10285, 13226, 14960, 15560, 16456, 17116, 20570, 21395, 26452, 31120, 32912, 33065, 34232, 41140, 42790, 47069, 52904, 66130, 68464, 72743, 82280, 85580, 94138, 105808, 132260, 145486, 164560, 171160, 188276, 235345, 264520, 290972, 342320, 363715, 376552, 470690, 529040, 581944, 727430, 753104, 800173, 941380, 1163888, 1454860, 1600346, 1882760, 2909720, 3200692, 3765520, 4000865, 5819440, 6401384, 8001730, 12802768, 16003460, 32006920, 64013840]

約数ペア:

[(1, 64013840), (2, 32006920), (4, 16003460), (5, 12802768), (8, 8001730), (10, 6401384), (11, 5819440), (16, 4000865), (17, 3765520), (20, 3200692), (22, 2909720), (34, 1882760), (40, 1600346), (44, 1454860), (55, 1163888), (68, 941380), (80, 800173), (85, 753104), (88, 727430), (110, 581944), (121, 529040), (136, 470690), (170, 376552), (176, 363715), (187, 342320), (220, 290972), (242, 264520), (272, 235345), (340, 188276), (374, 171160), (389, 164560), (440, 145486), (484, 132260), (605, 105808), (680, 94138), (748, 85580), (778, 82280), (880, 72743), (935, 68464), (968, 66130), (1210, 52904), (1360, 47069), (1496, 42790), (1556, 41140), (1870, 34232), (1936, 33065), (1945, 32912), (2057, 31120), (2420, 26452), (2992, 21395), (3112, 20570), (3740, 17116), (3890, 16456), (4114, 15560), (4279, 14960), (4840, 13226), (6224, 10285), (6613, 9680), (7480, 8558), (7780, 8228)]