164645960

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^2\times {\mathrm{31}}^1\times {\mathrm{251}}^1$

素因数の和:339

約数の個数: 96

約数和(自身を含む): 401345280

約数和(自身を除く): 236699320

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 31, 40, 46, 62, 92, 115, 124, 155, 184, 230, 248, 251, 310, 460, 502, 529, 620, 713, 920, 1004, 1058, 1240, 1255, 1426, 2008, 2116, 2510, 2645, 2852, 3565, 4232, 5020, 5290, 5704, 5773, 7130, 7781, 10040, 10580, 11546, 14260, 15562, 16399, 21160, 23092, 28520, 28865, 31124, 32798, 38905, 46184, 57730, 62248, 65596, 77810, 81995, 115460, 131192, 132779, 155620, 163990, 178963, 230920, 265558, 311240, 327980, 357926, 531116, 655960, 663895, 715852, 894815, 1062232, 1327790, 1431704, 1789630, 2655580, 3579260, 4116149, 5311160, 7158520, 8232298, 16464596, 20580745, 32929192, 41161490, 82322980, 164645960]

約数ペア:

[(1, 164645960), (2, 82322980), (4, 41161490), (5, 32929192), (8, 20580745), (10, 16464596), (20, 8232298), (23, 7158520), (31, 5311160), (40, 4116149), (46, 3579260), (62, 2655580), (92, 1789630), (115, 1431704), (124, 1327790), (155, 1062232), (184, 894815), (230, 715852), (248, 663895), (251, 655960), (310, 531116), (460, 357926), (502, 327980), (529, 311240), (620, 265558), (713, 230920), (920, 178963), (1004, 163990), (1058, 155620), (1240, 132779), (1255, 131192), (1426, 115460), (2008, 81995), (2116, 77810), (2510, 65596), (2645, 62248), (2852, 57730), (3565, 46184), (4232, 38905), (5020, 32798), (5290, 31124), (5704, 28865), (5773, 28520), (7130, 23092), (7781, 21160), (10040, 16399), (10580, 15562), (11546, 14260)]